After completing his time in a juvenile detention center, Daiki Imanishi returns to his hometown in Ibaraki. Upon hearing that his former cellmate, Ken Kohinata, is in danger, Daiki, along with two companions he met in the detention center—Kaito Sakaguchi and Ryuichi Maki—causes trouble at every turn as they head to Tokyo in a stolen car to save Ken.

A young man named Amenashi is haunted by the death of his younger sister Anna, who took her own life after witnessing a classmate’s suicide in high school. Burdened by guilt, he continues to chase her memory. One night, he learns of a secret mass suicide event held in a Tokyo nightclub and is drawn to it. His close friends, Nozu and Hattori, grow suspicious and follow him inside. In a closed-off space filled with despairing youths, the three attempt to escape, but are ultimately forced to confront the emotions they have each been carrying deep within.