Sister Love
Game Information
Developer
Paper / ペーパーVersion
v1.2.1
Engine
Unreal Engine
Release Date
Jun 5, 2025
Last Update
Jan 7, 2026
Censorship
Censored
Overview
Sister Love is a 3D animated adult simulation for players who like slow-building household tension over a fixed stretch of days. The tone stays quiet and suggestive rather than fast-paced.
Story
The setup covers one week under the same roof, starting the day the stay begins. The framing leans on anticipation: seven nights, an unspoken sense that something is bound to happen, and no clear answer given up front about what that will be.
Gameplay
Play moves day by day toward night, with daytime dialogue setting up context before the game's animated scenes take over. As a male protagonist, the player observes and nudges situations across the week, watching how small interactions shift what happens once night falls.
Features
- Full 3D character models with animated scenes instead of static stills
- Day-to-night structure that paces the week into distinct beats
- Daytime dialogue exchanges alongside the animated night content
- Camera control during intimate scenes for closer framing
Installation
1. Extract and run.
Changelog
v1.2.1
- Fixed the light source when shooting.
- Fixed a bug that male animations were not displayed at night.
- Fixed a bug that the camera cannot exit during FreeH.
v1.2
- This update brings many new features, including new outfits, items, and more.
- However, the biggest addition is the daytime dialogue.
- As the first title in this series, the daytime dialogue does not yet explain the full backstory, the reason for the 7-day limit, or the bond between the two characters.
- But as future updates roll out, the full story will gradually become clearer.
- The connection between the game and the real world will also go beyond just the wall clock or messages on a phone.
