與妹有約 Promise with My Sister

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.