AI CompanionAI Companion
YOUR DREAM AI COMPANION
Create and play online with your dream AI companion, free.
Create Yours Free
Design her look and personalityChat and roleplay, uncensoredOnline and free, no install
AI CompanionAI Companion
YOUR DREAM AI COMPANION
Create and play online with your dream AI companion, free.
Create Yours FreeCreate Your AI Companion Free
Design her look and personalityChat and roleplay, uncensoredOnline and free, no install

Unity SiNiSistar 2

SiNiSistar 2
Version: v1.3.0 Developer: Nennai 5/Uu · Twitter · Ci-en · DLsite Updated: 2026-05-16
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LIVE EVERY FANTASY
Cast your characters, direct the scene, live anything you imagine.
Play Free OnlinePlay Free Online
Cast your dream charactersDirect every sceneAny fantasy, no limits

About this game

A side-scrolling sandbox action piece where you play an exorcist sister assigned to the cursed town of Alcezon, hunting through its dungeons to find out why the monster numbers keep climbing. Voiced, heavy on corruption and tentacle content, with side quests opening up around the town at your pace.

Installation
1. Extract and run.
Developer Notes
Controles

Changelog

v1.3.0
・Added the new costume mod “Rabian” ・Added “Haruka Amachi” to the voice change feature ・Added “Hard” difficulty ・Other fixes
v1.2.1
・Fixed an issue where the menu screen would freeze under certain conditions. ・Fixed an issue where the Hunchback would not speak under certain conditions. ・Added missing images without tights.
v1.2.0
・Added new outfits for the protagonist ・Added new enemies and mini-events ・Added Korean language support ・Implemented language mod functionality ・Other
v1.1.1
・Addressed Unity security vulnerabilities ・Fixed an issue where progress could become impossible if the mod folder was missing
v1.1.0
- Add sub-events -Add an image set that allows the main character to have brown hair in the player image change function -Minor bug fixes Additions ・Extended the northwest road and added a new mini-boss there ・Added a sub-event in the town of Arseson that can be started after clearing "Northeast Village" ・Added consumable item "Elixir" ・Added bonus animation to the drunken event ・Add an image that allows you to change the main character's hair to brown in the character setting function ・Added "New Game +" that allows you to start the game with some of your data after clearing the game ・Minor bug fixes
v1.0.7
- Added nude manacle and boss restraint animations to gallery - Adjusted mod list and gallery UI - Fixed other minor bugs

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