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ImoTsuyo: If It’s for My Young Sister, I’ll Be Stronger [v0.30] [otaku_argento]
Ren'Py   /   VN

ImoTsuyo: If It’s for My Young Sister, I’ll Be Stronger [v0.30] [otaku_argento]

April 29, 2026F95


After her mother’s death, Hana Aochi went into a deep shock leaving her expressionless, does not laugh or cry.
But keep saying and doing what she want as she was before. Saigo, her older brother, has been taking care of her ever since.
He wants to get his young sister back to normal, but it won’t be an easy task.

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Contains an avoidable dictionary system to learn basic Japanese (no Japanese letters, just romaji).

Thread Updated: 2026-04-28
Release Date: 2026-04-27
Developer: otaku_argento Discord  – Itch.ioPatreonPixiv
Censored: No
Version: 0.30
OS: Windows, Linux, Mac
Language: English, Spanish
Other Games: Link
Genre:
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3DCG, Ahegao, Animated Blowjob, Boob-play, Cheating, Creampie, Cunnilingus, Defloration, Facial, Handjob, Harem, Incest, Lesbian, Kinetic Novel, Male Protagonist,  Romance, School setting, Vaginal-sex, Wholesome
Installation:
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1. Extract and run.
For mods / plugins:
1. Extract and paste the “.rpa” extension files inside “game” folder, along “archive.rpa” and it should work.
Changelog:
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Coming soon:
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Future:
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– Customizable keymap.
– A plugin bringing extra characters as unicolor sprites or normal skin with clothes but without eyes xd, depending what people prefer the most.
– More farewell events.
– More individual routes based on poll results.
– More romaji terms.
– More songs.
– Much more waifus.
– New mini games.
– New and updated library mini faces buttons and inside the profile.
– Sprites with more poses and expressions. Some day animated with Live2D.
– Unlock library progressively.
And a lot of surprises in extras menu.
v0.31:
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– 2 or 3 New canon chapters: 48 and 49, maybe 50 as well.
– More farewell events.
– More cards for the trading card mini game.
– At least 2 new trophies.
– Updated tutorial.
v0.30:
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Public release: 2026-04-27.
– 2 New canon route chapters: 47 & 47.5.
– 7 New backgrounds.
– 2 New trophies.
– 1 New sound effect.
– 1 New dictionary term.
– 5 New farewell events.
– 4 (+10) New sprites.
– 36 New CG Images. 2 Free animations and 7 in the paid mod.
– 2 New waifus: Sae & Towa.
– Improvements in library: updated CG and profiles.
– Improvements in credits: Updated patrons.
– Improvements in places menu: New backgrounds with own visual description were added.
– Improvements in studio: New backgrounds were added.
– Improvements in times: Timers added for chapters 47 and 47.5.
– Updated extras menus.
– Chapter 1 better translation (not fully tested).
– Updated tutorial.
Older versions:
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v0.29:
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Public release: 2026-04-03.
– 1 New individual route: Rena’s Prologue.
– 1 New background.
– 1 New trophy.
– 13 New CG Images.
– Improvements in library: updated CGs.
– Improvements in credits: Updated patrons.
– Improvements in places menu: New background with own visual description were added.
– Improvements in studio: New background was added.
– Improvements in times: Timers added for Rena’s route.
– Updated extras menus.
– Updated tutorial.
v0.28:
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Public release: 2026-03-03.
– 1 New canon route chapter: 46.
– 1 New romaji terms and their voiced pronunciations.
– 12 New backgrounds.
– 6 New sprites.
– 1 New trophy.
– 10 New CG Images.
– 2 New sound effects.
– 3 New trading cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library: updated profiles.
– Improvements in older dialogues.
– Improvements in dictionary.
– Improvements in events: New chapter was added.
– Improvements in credits: Updated patrons.
– Improvements in places menu: New backgrounds with own visual description were added.
– Improvements in studio: New backgrounds were added.
– Improvements in times: Timers added for chapter 46.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial.
v0.27:
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Public release: 2026-01-26.
– 2 New canon route chapters: 45 & 45.5.
– 4 New romaji terms and their voiced pronunciations.
– 8 New backgrounds.
– 12 New sprites.
– 2 New trophies.
– 43 New CG Images, with some of them variations.
– 44 New trading cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library: updated profiles, and added relationships left on v0.26.
– Improvements in older dialogues.
– Improvements in dictionary.
– Improvements in events: New chapters were added.
– Improvements in credits: Updated patrons.
– Improvements in main menu: 2 new girls now can be chosen as the main menu waifu.
– Improvements in places menu: New backgrounds with own visual description were added.
– Improvements in studio: New backgrounds were added.
– Improvements in times: Timers added for chapters 45 & 45.5.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial.
v0.26:
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Public release: 2026-01-04.
– 2 New canon route chapters: 43 & 44.
– 11 New characters.
– 4 New romaji terms and their voiced pronunciations.
– 4 New sound effects.
– 6 New backgrounds.
– 37 New sprites.
– 2 New trophies.
– 16 New CG Images.
– Improvements in library: updated profiles (except relationships).
– Improvements in older dialogues.
– Improvements in events: New chapters were added.
– Improvements in credits: Updated patrons.
– Improvements in main menu: 11 new girls now can be chosen as the main menu waifu.
– Improvements in places menu: New backgrounds with own visual description were added.
– Improvements in studio: New backgrounds were added.
– Improvements in times: Timers added for chapters 43 & 44.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial.
v0.25:
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Public release: 2025-10-24.
Patreon $10+ historical payment release: 2025-10-17.
Patreon $20+ historical payment release: 2025-10-10.
– 3 New canon route chapters: 41, 42 & 42.5.
– 5 New romaji terms and their voiced pronunciations.
– 1 New sound effect.
– 10 New backgrounds.
– 17 New sprites.
– 3 New trophies.
– 68 New CG Images, which some of them animated.
– 5 New trading cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library: updated profiles.
– Improvements in dialogues.
– Improvements in dictionary.
– Improvements in events: New chapters were added.
– Improvements in credits: Updated patrons.
– Improvements in main menu: 2 new girls now can be chosen as the main menu waifu.
– Improvements in places menu: New backgrounds with own visual description were added.
– Improvements in studio: New backgrounds were added.
– Improvements in times: Timers added for chapters 41, 42 & 42.5.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial.
v0.24:
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Release: 2025-09-09
– 3 New canon route chapters: 39, 39.5 & 40 bringing the debut of 9 new waifus.
– 1 New individual route: Gina’s pilot first chapter.
– 23 New romaji terms and their voiced pronunciations.
– 18 New backgrounds.
– 7 New farewell events. 187 in total.
– 30 New sprites.
– 4 New trophies.
– 56 New CG Images, which some of them animated.
– 28 New trading cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library The 9 new girls have their respective updated profile.
– Improvements in calendar. Added the 9 new girls birthdays dates.
– Improvements in dialogues.
– Improvements in dictionary, number of page added.
– Improvements in events: New chapters and farewell events were added.
– Improvements in credits: Updated patrons.
– Improvements in main menu: The 9 new girls now can be chosen as the main menu waifu.
– Improvements in places menu: New backgrounds with own visual description were added.
– Improvements in studio: New backgrounds and characters were added.
– Improvements in times: Timers added for chapters 39, 39.5, 40 and Gina’s individual route.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial.
v0.23:
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Release: 2025-07-09
– 2 New canon route chapters: 37 & 38 bringing the debut of 3 new waifus.
– 7 New romaji terms and their voiced pronunciations.
– 4 New backgrounds.
– 4 New farewell events. 180 in total.
– 12 New sprites.
– 2 New trophies.
– 20 (+6) New CG Images (20 Normal + 6 Extras / Expression variations).
– 12 New trading cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library The 3 new girls have their respective updated profile.
– Improvements in calendar. Added the 3 new girls birthdays dates.
– Improvements in dialogues.
– Improvements in credits: Updated patrons.
– Improvements in main menu: The 3 new girls now can be chosen as the main menu waifu.
– Improvements in places menu: New backgrounds were added.
– Improvements in studio: New backgrounds and characters were added.
– Improvements in times: Timers added for chapters 37 and 38.
– Some random bugs fixed: When starting, button for return, or to choose between canon and individual routes now works properly. ; The missing trophy notifications from chapter 21 onward from previous versions, now show up properly all the chapters.
– Updated extras menus.
– Updated tutorial.
v0.22:
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Release: 2025-06-03
– 1 New individual route game mode and first chapter: Hana pilot intro.
– 2 New romaji terms and their voiced pronunciations.
– 6 New farewell events. 176 in total.
– 2 New sprites.
– 1 New trophy.
– 9 New CG Images (2 of them animated, and a third animated one but patron only).
– 4 New CG-Style trading cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library (Now Hana has canon and individual route gallery separately).
– Improvements in dialogues.
– Improvements in FAQ: New questions and new answers, some explaining about mods/plugins and news about the new game mode.
– Improvements in credits: Updated patrons.
– Updated extras menus.
– Updated tutorial.
v0.21:
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Release: 2025-04-02
– 1 New canon route chapters. 37 in total.
– 2 New backgrounds.
– 4 New romaji terms and their voiced pronunciations.
– 8 New farewell events. 170 in total.
– 10 New sprites. One of them is a husbando making his appearance debut.
– 1 New trophy.
– 6 New CG Images (One of them shortly animated).
– 12 New cards for the patrons’ mini game called Waifu Card Master (8 of them are CG-styled/detailed) .
– Improvements in library (Updated profiles info and added the new male character).
– Improvements in places: New backgrounds added with their respective info.
– Improvements in calendar.
– Improvements in dialogues.
– Improvements in FAQ: New questions and new answers, some explaining about mods/plugins and news about the new game mode.
– Improvements in credits: Updated patrons.
– Improvements in study: Added the new sprite of the debuting male character.
– Updated extras menus.
– Updated tutorial.
v0.20:
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Release: 2025-02-23
– 2 New canon route chapters. 36 in total.
– 6 New backgrounds.
– 6 New romaji terms and their voiced pronunciations.
– 11 New sprites. One of them is a new waifu, debuting in this version.
– 2 New trophies
– 15 New CG Images.
– 1 New sound effect.
– 8 New cards for the patrons’ mini game called Waifu Card Master.
– Improvements in library (Updated profiles info and added the new waifu).
– Improvements in places: New backgrounds added with their respective info.
– Improvements in dialogues.
– Improvements in credits, having a new menu to mention special patrons.
– Improvements in main menu. 2 New girls added as main menu selectable waifus.
– Improvements in study: Added the new sprite.
– Updated extras menus.
– Updated tutorial.
v0.19.1: NO STORY NEW CONTENT, READ SPOILER.
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Release: 2024-11-29
– Just the results of the third annual poll.
If you already download v0.19 it’s not necessary to download v0.19.1 unless you wanna know the new poll results of this year. Of course, old v0.19 links will be deleted and updated for new players who come from v0.18 can directly play v0.19.1.
v0.19:
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Release: 2024-11-22
– New button to vote in the third annual poll in official links; at the end of the game, and in voting menu.
– 1 New canon route chapter. 34 in total.
– 1 New background.
– 3 New romaji terms and their pronunciations.
– 1 New sprite.
– 1 New trophy.
– 7 New CG Images.
– 3 New sound effects.
– 2 New emojis on WanChat message-like app.
– 6 New farewell events (162 in total).
– 1 New card for the Mini game called Waifu Card Master.
– Improvements in library (Updated profiles info).
– Improvements in places: New background added with respective info.
– Improvements in study: Added the new sprite .
– Updated extras menus.
– Updated tutorial.
v0.18:
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Release: 2024-10-27
– 1 New canon route chapter. 33 in total.
– 2 New backgrounds.
– 2 New romaji terms.
– 6 New sprites, *1 New character debuting.*
– 1 New trophy.
– 5 New CG Images (+1 old reworked).
– 6 New farewell events (156 in total).
– 11 New cards (6 of them in CG style for SR rarity) for the Mini game called Waifu Card Master.
– Improvements in library. (Updated profiles and 3 new ones, but 2 of them are for patrons since they can be unlocked by playing Waifu Card Master).
– Improvements in places: New backgrounds added with respective info.
– Improvements in study: Added the new sprite .
– Some random bugs fixed.
– Fixed some dialogues and its translations for chapters 29, 30 & 31.
– Updated extras menus.
– Updated tutorial.
v0.17:
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Release: 2024-08-25
– 1 New canon route chapter. 32 in total. (31 in number of chapters, there are 15.5 and 28.5, making 1 by having 2 half chapters in count, so… 32 in total).
– 1 New background.
– 6 New romaji terms.
– 1 New sprite.
– 1 New trophy + 1 for patrons.
– 1 New sound effect.
– 11 songs now with name.
– 1 New CG Image.
– 1 New Mini game called Waifu Card Master. A collectible mini game about trading cards with a buy and sell system with in-game money. More than 220 cards to collect in 4 rarities: Common, Uncommon, Rare and Super rare. It comes with a 3D viewer making you able to rotate and position the card in the screen.
– Improvements in library. (Updated profiles).
– Improvements in extras menu: Added a music gallery system making you able to have your favorite songs to hear them outside of any dialogue play mode. Random and repeat systems as well.
– Improvements in places.
– Improvements in study.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial. Here you can play the mini game if you’re patron.
v0.16.1:
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Release: 2024-07-06
– New way to check internet connection, to avoid a bug that breaks the game when checking a new version.
– Some romaji terms fixed, fixing another thing that break the game.
– Some other bugs fixed.
v0.16:
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Release: 2024-07-04
– 1 New canon route chapter. 31 in total. (30 in number of chapters, there are 15.5 and 28.5, making 1 by having 2 half chapters in count, so… 31 in total).
– 4 New backgrounds.
– 5 New romaji terms.
– 6 New sprites.
– 1 New trophy.
– 1 New font.
– 3 New sound effects.
– 10 Old songs were replaced with new ones + 1 new. 11 in total.
– 4 New CG Images.
– Improvements in library. (Updated profiles).
– Improvements in dialogue. (A new chat-like dialogue with history function and 12 custom original emojis).
– Improvements in main menu. Now you can make the menu sprite to be randomly changed every time you open the game. And there’s an online update check that Idk yet if it works as it should, but it’s implemented.
– Improvements in places.
– Improvements in study.
– Improvements in translation. Both for Spanish and English dialogues.
– Some random bugs fixed.
– Updated extras menus.
– Updated tutorial.
v0.15:
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Release: 2023-12-29
– 1 New canon route chapter. 30 in total.
– 2 New backgrounds.
– 6 New romaji terms.
– 4 New sprites. (2 characters making their debut).
– 3 New trophies.
– 3 New CG Images.
– 42 New farewell events (150 in total).
– Improvements in library. (New and updated profiles).
– Improvements in calendar.
– Improvements in FAQ.
– Improvements in main menu. Now you can choose within almost all the female cast to appear as the main menu girl.
– Improvements in study.
– Improvements in place.
– Updated extras menus.
– Updated tutorial.
– Updated poll results.
v0.14 fix:
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Release: 2023-11-05
– Improvements in splash screen.
– Improvements in credits menu.
– Improvements in sprites.
– Updated tutorial.
v0.14:
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Release: 2023-11-01
– 3 New canon route chapter. 29 in total.
– 2 New backgrounds.
– 13 New romaji terms.
– 7 New sprites.
– 3 New trophies.
– 9 (19) New CG Images.
– Improvements in library.
– Improvements in FAQ.
– Improvements in study.
– Updated extras menus.
– Updated tutorial.
v0.13:
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Release: 2023-10-19
– 2 New canon route chapter. 26 in total.
– 2 New background.
– 6 New romaji terms.
– 14 New sprites.
– 2 New trophies.
– 3 New CG Images.
– Added etymology on every character’s profile inside library.
– Extras menus updated.
– Updated tutorial.
v0.12:
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Release: 2023-10-01
– 2 New canon route chapter. 24 in total.
– 7 New background.
– 15 New romaji terms.
– 23 New sprites.
– 2 New trophies.
– 6 New CG Images.
– Dictionary menu and cell phone dictionary bug fixed.
– Extras menus improvements.
– Updated tutorial.
v0.11:
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Release: 2023-09-16
– 1 New canon route chapter. 22 in total.
– Shizuka sprite in studio. Added her profile in library.
– 1 New background.
– 4 New romaji terms.
– 2 New CG Images.
– Updated tutorial.
v0.10
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Release: 2023-07-14
– 1 New canon route chapter.  21 in total.
– 39 New farewell events.  108 in total.
– 2 New characters sprites. (One old, and the other have its debut).
– A lot of changes in menus, like extras, options, main.
– Now you can start from the chapter you want with a new option at start.
– Now you can have your preferred waifu in the main menu. (For now there are just 6: Gina, Hana, Hime, Kaori, Mizuki and Rena).
– Updated tutorial.
v0.09:
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Release: 2023-04-16
– 2 New canon route chapters.  20 in total.
– Updated tutorial.
v0.08:
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Release: 2023-03-12
– 2 New canon route chapters.  18 in total.
– Updated tutorial.
v0.07:
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Release: 2022-11-28
– 1 New canon route chapter.  16 in total.
– Updated tutorial.
v0.06:
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Release: 2022-11-07
– 2 (+1) New canon route chapters.  15 in total.
– Updated tutorial.
v0.05:
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Release: 2022-21-06
– 2 New canon route chapters.  13 in total.
– Updated tutorial.
v0.04:
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Release: 2022-20-05
– 1 New canon route chapter.  11 in total.
– Updated tutorial.
v0.03:
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Release: 2022-31-03
– 2 New canon route chapter.  10 in total.
– Updated tutorial.
v0.02:
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Release: 2022-02-03
– 1 New canon route chapter.  8 in total.
– Updated tutorial.
v0.01:
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Release: 2022-07-02
– 1 New canon route chapter.  7 in total.
– Updated tutorial.
Christmas update:
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Release: 2021-25-12
– 1 New canon route chapter.  6 in total.
– Library available.
– Updated tutorial.
Demo:
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Release: 2021-11-28
– 5 Canon route chapters.  5 in total.
Developer Notes:
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Please consider starting a new game even if you’re not a new player!!
The 4th annual poll is finally open for ImoTsuyo’s 4th anniversary, vote right now here: “Link button!” or in the button further down.
Things to remark: the game will freeze the first time you choose the language. I don’t know the reason yet, but it’s not crashing, just wait a few seconds. The same thing happens when you return to the main menu, no matter where you’re coming from or when you open a profile’s intro, or start a chapter or farewell event from events menu, but also when loading a save file. It’ll freeze for a few seconds and then work normally again. I know it’s kinda tedious, so… sorry. I’ll try to fix it in future versions. It’s not fully tested so it might have bugs.
The game was originally made in Spanish and was auto-translated, so it is highly probable that there are grammatical errors or Spanish words when playing in English. Report that and I will try to fix it as soon as possible.
Some of the plugins are free and others for patrons. Consider to support me on Patreon if you want access to the paid ones.
Due time issues for this v0.30, I wasn’t able to test literally everything, so if you find any bug let me know so I can fix it asap in the first week after the release date, otherwise, the bugs will be fixed for the next version at mid-May.
** It’s highly probable that you would find a visual bug when looking to the library, I wasn’t able to fix it yet, but you’re warned. Won’t crash, it’s just a misbehavior and mix of screens buttons that could be annoying. Thanks for your patience.
FAQ (UPDATED on April 2025):
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Full FAQ April update / Also in-game (Main menu > Extras > F.A.Q.).
This game is more like a seinen harem anime. If you come looking for a game focused on sex, I’m sorry to tell you that ImoTsuyo is a long way from being just that.
Please play the tutorial and read the in-game (or FAQ .txt file, link at the beginning of spoiler) FAQ before commenting anything you don’t understand.
Will there be sexual content?
Yes, in fact there already is.
When?
The debuting individual route game mode has some scenes with Hana in the first pilot chapter. In canon route, chapter 15.5 has an ecchi (lewd) scene. The first H (sex) scene of the canon route it’s already in chapter 28.5, some in Hana’s individual route and others in the next chapters of the canon route.
What tags will be when there is sexual content?
Anal Sex, Creampie, Footjob, Group sex, Handjob, Masturbation, Milf, Oral Sex, Titfuck, Vaginal sex, Virgin. And probably others.
And non-sexual tags?
Dating Sim, Multiple Endings, Sandbox.
Android / iOS?
Maybe at some point, but for now it’s not a priority. MAYBE, just MAYBE I’ll make a test version this at the end of this 2026 with the release of ImoTsuyo remake.
NTR?
Netorare (Girls cheating on the protagonist) no.
But there will be Netori. (Protagonist making a girl who already has a partner or is in love with someone else fall in love with him).
Plugins and Others:
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Free:
Saigo’s sprites:

Brings Saigo’s sprites for story, library and farewell events.
You can disable it having the plugin installed.

X-Ray:
Brings a variable to change it, which will allow you to see almost all the girls in underwear during story and farewell events.
It also allow to see the main menu’s girls in underwear, which can be improved to nude using the paid mod.

Link not necessary anymore, mods come in game’s zip.

Paid:
$10 historical payment as patron:
Patreon mod:
Brings exclusive animations for some chapters where there are lewd or sex scenes.

Nude mod:
Brings a mod that allows to see all the girls’ sprites nude in the studio. Also having X-Ray mod,
you can use both to see nude sprites at story, farewell events and in the main menu.

$20 historical payment as patron:
Trading cards mod:
Brings a mod for patrons with a minimum historical payment of $20.
Includes a trading card mini-game that currently features over 300 cards to collect across
4 rarities (common, uncommon, rare, and super rare), with an in-game currency buy-and-sell system,
a gallery to view unlocked cards, and a 3D viewer that allows rotation and positioning of the cards to see special effects.

Link.

v0.30 PLEASE!!! READ THE FAQ AND DEVELOPER NOTES BEFORE COMMENTING AND/OR DOWNLOADING.
*Vote right now* for your favorites waifus, CGs, and more!
Save files from previous versions may not work!!

DOWNLOAD
Win/Linux: FILES.FMMEDIAFIREMIXDROPPIXELDRAINWORKUPLOAD
Mac: FILES.FMMEDIAFIREMIXDROPPIXELDRAINWORKUPLOAD

Patch: Lewdpatcher

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    ImoTsuyo: If It’s for My Young Sister, I’ll Be Stronger [v0.30] [otaku_argento]