A Simple Life with My Unobtrusive Sister
Game Information
Developer
Countercurrent Tea PartyVersion
v1.3
Engine
RPGM
Release Date
Oct 1, 2026
Last Update
Oct 5, 2026
Censorship
Censored
Overview
A Simple Life with My Unobtrusive Sister is an action-adventure roguelike for players who want dungeon combat mixed with slower domestic scenes. The tone shifts between grim survival and quiet moments at home.
Story
An adventurer descends into the Abyss alone, searching for the materials to brew a cure called "red cerebrospinal fluid" for his sister's special condition. He works against a deadline: if the elixir isn't finished in time, her condition will take its course. Each trip into the dungeon is both a supply run and a race against that clock.
Gameplay
Runs combine roguelike dungeon crawling with open-world exploration, sending the player through the Abyss to fight monsters and gather elixir ingredients before returning home. Between expeditions, the game shifts to a sandbox-style home life with the sister, where relationship moments and side activities fill the time before the next descent. Combat, scavenging, and domestic scenes repeat in a loop tied to the elixir deadline.
Features
- Monster girl enemies and encounters woven into the dungeon combat
- Special equipment and unique enemy types to find during runs
- Animated character art with varied expressions and poses for key scenes
- A home-life sandbox layer that runs parallel to the dungeon loop
Changelog
v1.3
- Added a new "Newlywed Questions" event for Mio.
- Added a new Bathroom event.
- Added a special event where Mio can wake up MC after completing the third treatment.
- Added MC's third nightmare event.
- Began experimentally introducing Free Exploration Mode, allowing MC to move freely around the house. (More events will be added in future updates.)
- Added the Collection system. The timeline can now be viewed in the Collection, where unlocked events will appear along with their unlock times and conditions. (Unlock times may not display correctly for old save data.)
- Revamped the Gallery system and added more recall events. Unlocked animations and static CGs can now be viewed in the Gallery.
- In this update, we have implemented a major-version auto-update feature. As long as you have subscribed to any paid tier on NLCH’s Patreon (an active subscription is required), you can log into your Patreon account in-game and the game will automatically update to the latest version once a new update is released.