The Sin Within
Game Information
Developer
(RIP)Version
v0.5.2
Engine
Ren'Py
Release Date
Sep 8, 2026
Last Update
Sep 8, 2026
Censorship
Uncensored
Overview
The Sin Within is a 3D adult dating sim for players who enjoy supernatural corruption stories with a harem structure. The tone stays light and a little cheeky even as things turn strange.
Story
Nick Harada is an ordinary suburban student until fate hands him something far from ordinary: possession by the Deadly Sin of Lust. Now a devil in progress, Nick has to learn what his new nature means while he searches for the other six Deadly Sins, all while the women in his life start seeing him, and themselves, differently.
Gameplay
Play unfolds as a point-and-click adventure layered over a sandbox structure, moving between home, school, and other everyday locations to build up scenes with the women Nick knows. Conversations and choices raise each woman's comfort with her own desires over time, opening new scenes and locations as those bonds deepen. Between story beats, side activities like photoshoot sessions give Nick more chances to nudge things along.
Features
- Animated 3DCG scenes built around a growing cast of women, each with her own personality and pace
- A devil-corruption premise that ties Nick's powers directly to seducing the people around him
- Comic, self-aware tone that keeps the supernatural plot from feeling heavy
- Multiple explorable locations that expand as relationships progress
Changelog
v0.5.2
- Gardening Duty II !
Gardening Duty:
- + 3.000 new renders (with +365 animations!!)
- + 5.000 lines of dialogue!
- + 32 NEW SCENES!!
- + FURTHER YOUR RELATIONSHIPS WITH CHELL AND CAROL!
- + Some more scenes with Rose, Claire, Beatrice, Zoey and Karin...!
- + 2 New Locations: Callahan Household; Carol's Home (Or, Bedroom...)!
- + Finally added stuff to The Park!
- + Added special dialogue with Greed regarding your recent discoveries... Don't miss it.
- + 2 NEW EXTRAS:
- A small featurette with Katherine in the Gyaru Frenzy storyline!
- THE MOST GARGANTUAN, OBSCENE AND INCREDIBLE SCENE IN THE GAME:
- THE 4TH OF JULY SPECIAL! WITH OVER 800 RENDERS BY ITSELF!!
- + Fixed lots of bugs!!
- + Fixed some progression oversights and missing pieces.
- + Fixed some typos, but definitely not all
- Please keep the reports coming!
- Totalling...
- ~ 23.000 renders
- ~ 51.000 lines of dialogue
- ~ 1.500 animations
v0.5.1
- Gardening Duty I !
Gardening Duty:
- + 2.270 new renders (with +282 animations!!)
- + 4.000 lines of dialogue!
- + 23 NEW, INCREDIBLY SPICY SCENES!!
- + BRING MS. CLAIRE TO LUST LVL 2 - THE FIRST OF MANY!
- + Invite many other girls to your questionable photoshoot sessions at School...
- + 1 New Location: Ms. Claire's Apartment!
- + 1 New Location: The Park! (but there's nothing there yet... Soon TM)
- + Overhauled the Notes App: Now features an extensive Quest tab, guiding you through whatever storylines require a bit more attention step-by-step.
- + Overhauled the Gallery App: Each Gallery section now features a progress bar and a scene counter.
- + Overhauled the Help App: Now contains several topics neatly organized to help you out.
- I told you, it would get prettier one day!
- + Added Keybinds! Check the Help App for the full list. These will make your life much easier!
- + Fixed some eldritch bugs and embarrassing typos.
- Totalling...
- ~ 20.000 renders
- ~ 46.000 lines of dialogue
