Sachiko’s Theory of Happiness [Final] [HoneyJam]
Sachiko, a young married woman, has moved in next door.
She is cheerfyl, friendly and kind.
“Neighbors are supposed to look for for each other, right?”
One night, you pay visit to her home.
Her husband is asleep in the bedroom, just one door away.
You must not let her make a sound.
You must not let him find out.
Thread Updated: 2026-11-11
Release Date: 2026-10-30
Original Title: 幸子の幸福論
Censored: Yes (Mosaics)
Version: Final
OS: Windows
Language: English, Chinese, Japanese
Other Games: Link
Store: DLSite
Genre:
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2D Game, 2DCG, Big Tits, Censored, Creampie, Horror, Vaginal Sex, Oral Sex, Anal Sex, Cheating, Corruption, Drugs, Group Sex, Bukkake, Groping, Netorare, Rape, Spanking, Tentacles, Titfuck, Multiple endings, Possession, Male Protagonist, Point & Click, Internal View
Installation:
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1. Extract and run.
Developer Notes:
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– Controls
[Story] Left click / Enter: next line “SKIP” (top right): skip to the next scene
[Touch] Left click: touch her
Hold her mouth / hold right click: cover her mouth
Fill the Pleasure bar to move on to the next stage.
Her husband is asleep in the bedroom. Click too fast, make her too loud, and…
Covering her mouth, or simply waiting, will calm things down a little.
Sometimes she looks… strange. Don’t miss it.
[Any] Esc: return to title (asks first) F11 / Alt+Enter: toggle fullscreen
You can change the language in Settings on the title screen.
[Story] Left click / Enter: next line “SKIP” (top right): skip to the next scene
[Touch] Left click: touch her
Hold her mouth / hold right click: cover her mouth
Fill the Pleasure bar to move on to the next stage.
Her husband is asleep in the bedroom. Click too fast, make her too loud, and…
Covering her mouth, or simply waiting, will calm things down a little.
Sometimes she looks… strange. Don’t miss it.
[Any] Esc: return to title (asks first) F11 / Alt+Enter: toggle fullscreen
You can change the language in Settings on the title screen.
– Saving
The game saves automatically at the start of every scene.
