The story follows the protagonist, Haruyoshi, who lives in an apartment managed by his aunt, Sachiko, alongside his younger sister, Yuki. The plot takes a supernatural turn with the sudden appearance of a Grim Reaper named Shiina. Players navigate Haruyoshi's relationships with several female characters, including:

The game blends traditional visual novel storytelling with open-ended exploration.

Several DLC packs were released that added new clothing options, which could be obtained by interacting with Sachiko. Technical Legacy

A mysterious girl who appears shortly after the Grim Reaper, claiming she is there to protect the protagonist. Shiina: The "Shinigami" (Grim Reaper) heroine.