A mother, daughter and two of their friends live in an old Western-style house in Suginami. As secrets are revealed, they face challenges together.

Koji, a university student and budding photographer, is asked by a man to secretly take pictures of his wife Yurika. As a result, his relationships with a girl who visits his part-time workplace called Tominaga and his step-sister Misaki begin to change subtly.

Aya adapts Hyakken Uchida’s eponymous short story in which characters wonder whether they are alive or dead, as the reality of their existence is swept from under their feet.

Koji, a university student and budding photographer, is asked by a man to secretly take pictures of his wife Yurika. As a result, his relationships with a girl who visits his part-time workplace called Tominaga and his step-sister Misaki begin to change subtly.