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Succubus Research Diary [v1.5.1] [Arcus Plume]
The daring explorer Serena and the kindhearted succubus Nerisha meet by chance in the depths of the Underground, as Serena accidentally stumbles upon Nerisha’s doorstep. After learning of each other’s circumstances, they strike an unusual deal. A deal that involves the two of them having lots of sex…
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Nerisha is a young adult succubus who has never had sex. This is something of a problem to her because succubi can’t fully develop their magical powers unless they have some sweaty fun with humans or other humanoids. However, having high ideals of equality, Nerisha is unwilling to get herself a sex slave as most other succubi do.
Serena is a human explorer who got separated from her expedition after something unfortunate happened. She’s a mature woman with plenty of sex appeal that she doesn’t hesitate to put to good use.
Thread Updated: 2023-03-06
Release Date: 2022-12-08
Censored: No
Version: 1.5.1
OS: Windows
Language: English
Length: Short (6-8 hours)
VNDB: Succubus Research Diary
Size: 890 MB
Store:
Genre:
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2DCG, Female Protagonist, Multiple Protagonist, Creampie, Groping, Lesbian, Futa/Trans, Oral Sex, Teasing, Transformation, Vaginal Sex, Fantasy, Management, Monster Girl, Romance
Installation:
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1. Extract the ‘Succubus Research Diary [v1.5.1] [Arcus Plume].7z’ archive.
2. Play the VN by running the ‘SuccubusResearchDiary.exe’ executable.
Changelog:
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Version 1.5.1
A small post-final(?) update that fixes a bunch of typos and grammatical errors in the final content update.
Version 1.5.0: The Grand Finale
The Serena’s Services story arc ends with a bang! (Disclaimer: no explosions included.)
This content update isn’t called The Grand Finale for no reason. It’s not only the final update but also easily the biggest one. With a word count of over 11000 words, it’s approximately as big as the two previous updates combined! Of course, there’s plenty of new art as well!
The mysterious noblewoman Lady Julie was briefly seen in the previous update, but now it’s time for her to get into action. Be warned that she’s a woman who can’t be easily stopped once she has gotten started…
New things in a nutshell:
- New character and event art
- Lady Julie starring in the new 11000 word story
- New achievements
Other changes and fixes:
- A handful of typos fixed in previously released content
- Some small tweaks to in-game menus
How to access the new content?
Serena’s Services can be accessed after reaching Ending 1. You’ll have to play most of the previously released episodes to unlock the final episodes. If you have already done so, Episodes 7 and 8 are waiting for you!
In other news:
- Arcus Plume has a newly-opened developer page on Steam. You’ll get a notification of new releases if you click the follow button.
- The next Arcus Plume game will be announced in Q1 2023. Lady Julie is one of the major characters of the game! Who knows if there will be other familiar faces as well…
And finally…
Have fun playing The Grand Finale.
Version 1.4.0: An Old Friend
Sometimes, a chance encounter with an old friend may open up new possibilities. What lies in store for Serena and Nerisha? Only time will tell…
It’s the first anniversary of the release of Succubus Research Diary, and here’s a little something to celebrate it: the fourth content update! This update adds two more episodes to the “Serena’s Services” story arc and introduces two new characters to the game!
New things in a nutshell:
- New character and event art
- New 4500 word story featuring Denice and Julie
- New achievements
How to access the new content?
Serena’s Services can be accessed after reaching Ending 1. Playing episodes 1 and 3 will unlock the newest episodes. 2 and 4 are not required for mysterious reasons.
Version 1.3.1
This is a small update that corrects a couple of dozen grammatical errors and typos.
This is a small update that corrects a couple of dozen grammatical errors and typos.
Version 1.3.0: Nerisha’s Services
It’s Nerisha’s turn to be the protagonist!
The story so far has been told almost exclusively from Serena’s point of view. But not this time! It’s time for the cute succubus Nerisha to bask in the spotlight! Oh, and she will also meet Jenny for the first time. And not only meet her…
Nerisha’s Services
is essentially a sequel to Serena’s Services (added in version 1.2.0). To Nerisha’s dismay, the new content can be found in the Serena’s Services submenu.
New things in a nutshell:
- New event art
- New 7000 word story featuring Nerisha as the protagonist!
- New achievements
How to access the new content?
The Serena’s Services submenu can be accessed after reaching Ending 1. Nerisha’s Services becomes available after playing the first episode of Serena’s Services. The final episode requires you to play all other episodes first.
Version 1.2.0: Serena’s Services
The second content update is here! Serena’s Services expands the story in a new direction as well as introduces a new character, Jenny, to the game.
What does Serena do to make the big bucks and what does it have to do with Jenny? It’s time to find out!
New and shiny things:
- New character, background, and event art
- New 5000 word story about Serena’s business with Jenny
- New achievements
How to access the new content?
You will find “Serena’s Services” in the main menu of the game. If you have already reached Ending 1, you can access the new content right away. If not… well, you know what to do. 🙂 Or not do. 🙁
Version 1.1.0: Little Epilogues
This is a content update that adds epilogues to the game: one for each ending. Find out what Serena and Nerisha are up to shortly after the endings!
This update adds the following:
- More content: approx. 5000 words and 3 event CGs (+23 variants)
- 2 new achievements
- New functionality in the ‘Sex Scenes’ gallery: shortcuts to endings and epilogues
There are two ways to access the new content:
- Reach an ending and you’ll see a new choice that leads to the respective epilogue.
- If you have already reached at least one ending, you’ll find a new button in the ‘Sex Scenes’ gallery that opens a list of shortcuts that lead to the endings and epilogues.
May your mana reserves be sufficient.
Developer Notes:
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MATURE CONTENT DESCRIPTION:
This game contains explicit depictions of consensual sex and uncensored genitals. All characters depicted are 21 years old or older.
The story takes place in a female-only fantasy world, in which all women possess the intrinsic magical ability to become temporarily “futanari,” i.e., grow male genitals (note: it is possible to finish this game without playing any futanari scenes).
The adult scenes in this game are either female x female (~70%) or futanari x female (~30%).
Features (Ver. 1.5.1):
- Length: 97000 words (6-8 hours)
- 34 unique event CGs, 307 variants
- 1080p resolution
- Rich background story about the problematic relationship of succubi and humans
- Each adult scene has 5 stages with unique conversations
- Have sex and conduct research to unlock more adult scenes
- Juicy sound effects and a separate volume slider for sex sounds
- CG & scene gallery
DOWNLOAD
Win: ANONFILES – GOFILE – MEGA – MIXDROP – PIXELDRAIN – UPLOADHAVEN – WORKUPLOAD
Other: COMPRESSED*
Win: ANONFILES – GOFILE – MEGA – MIXDROP – PIXELDRAIN – UPLOADHAVEN – WORKUPLOAD
Other: COMPRESSED*
* This unofficial port/version is not released by developer, download at your own risk.
