To succeed in , you must manage your relationship with Kurumi over a 30-day period while your parents are away for work. This simulation game by Girl Cafe -KeyTail- focuses on daily interactions, mini-games, and bonding to unlock various scenes and endings. Core Gameplay Mechanics

: The game includes a specialized SMS conversation system that unlocks new dialogue and events based on player choices.

The scenario is designed to be played using the rules. It shifts the focus from traditional supernatural monsters or masked slashers to a more grounded, psychological horror setting.