Tomoshibi

Kyoko was born and raised in Mishima City, a place built on the lava flow of Mt. Fuji. As her family's shoe store closes, she feels adrift, losing her sense of belonging. Her older sister Asuka, who worries about Kyoko, also harbors a different kind of anxiety. In the background, the traditional festival music "shagiri" resonates throughout the town.

An astronaut, Anna, who has been in an accident on the moon and is the only survivor returned to Earth. Being rehabilitated with her doctor and trainer, she recovers her memories of the accident bit by bit. At the same time, she is troubled by the memories she recalls and the difference (diff) with her current self.