Game Overview
The protagonist's niece has come to stay at her maternal grandparents' house for a week due to family circumstances. The story revolves around her sneaking into the protagonist's room at night to play pranks. Depending on the choices made, there are four different endings.
Characters
Mai: The niece who has come to stay at the protagonist's house. She is a student preparing for exams and stays at her maternal grandparents' house while her parents are away. She recently broke up with a classmate boy for personal reasons.
Game Screen
This mode progresses the main story of the game. Clicking on the screen advances the story. When choices are presented, players select options using the mouse.
This mode allows players to play pranks on the niece late at night. Players choose the type of prank from a command list. The available commands increase as the days progress.
Other Information
The game initially progresses from the perspective of the protagonist, "Uncle." After clearing one of the four endings, specifically the "Happy End," the "Niece's Perspective" becomes available. The "Naughty Mode" utilizes Live2D, allowing for some movement. AI has been used for some character designs and image materials.