High school student Tadashi harbors feelings for his best friend Kota, only to face ridicule from classmates—and growing distance from Kota himself. One day, he encounters Hiroki and Shinji, a same-sex couple on the train, and is drawn to their quiet confidence in being themselves. Curious and captivated, Tadashi begins to follow them, gradually becoming part of their lives. But as their connection deepens, an unexpected incident changes everything.

Mikio Sato
as Tadashi

Tomohiro Okada
as Kota

Hiroki Miyama
as Hiroki

Shirin Mori
as Shinji

Satoshi Wada
as Coater

Junko Asahina
as Mother

Kōichi Imaizumi
as Cruiser

Tarō Araki
as Driver