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Promise with My Sister header art

Promise with My Sister

A story centered around sisters, and as their brother, I must protect them. My mission is to find and reclaim the memories of time spent with my sisters. Numerous adventures filled with challenges are just beginning. This is my very own RPG life!

Steam Page
Release
May 9, 2024
2 years and 85 days ago
Steam Reviews
Positive36 reviews88.9%

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Game contextLatest: IGF Team
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Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 13, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 13, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 13, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Promise with My Sister and Carnival Pepper funded?FundingThe known source of funding behind the game.
Updated: Jul 13, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 13, 2026Release statusWhether and how the game has been released.

Media

6 items

About the Game

Exploration Adventure Construction RPG

Gameplay Features
Build a team of sisters, find the ones that suit you best.
Sisters each have their own unique personalities for you to freely cultivate.
Three different sister abilities allow you, the brother, to train according to the adventure, creating your own unique lineup.

Multiple Stages Challenges, with different areas and adventures waiting for you to explore

Various exploration routes and strategies freely selectable, venture deeper to find more sisters.
Numerous events to strengthen bonds with sisters.
An abundance of items to enhance sisters, plus unique items that can be dragged into the scene to change exploration rules.
Collect memories with sisters and unlock items, making sisters stronger in the next round of the game.

Combat Features
Automated battles, allowing brothers to focus solely on exploration and nurturing more sisters.

Convenient Features
Primarily keyboard-operated, move and explore with WASD or arrow keys, combined with left and right mouse clicks.
High-speed gameplay with full fast-forwarding capability.
Auto-save feature allows players to safely step away from the game at any time.