One summer afternoon, a girl in a sailor uniform, holding an urn, visited the protagonist, Kawakami Hikaru. To a bewildered Hikaru, the girl introduced herself as the daughter of Okazaki Mayuko, Hikaru's former lover. The girl then revealed that Mayuko had committed suicide and asked Hikaru to keep the ashes at her home.

From that point, Hikaru and the girl's strangely warped cohabitation began.

※This work primarily focuses on romance between women.

※Also published on AlphaPolis and Kakuyomu.