A middle school teacher's life is thrown into turmoil when dozens of students dye their hair gold and his girlfriend suddenly proposes marriage, triggering a media frenzy and government intervention, forcing him to team up with the student mastermind behind the hair trend to navigate the chaos and confront his own journey from a jaded, reluctant adult to a mature, responsible one.

Takanori Iwata
as Ichikawa

Tamaki Shiratori
as Itaroku

Mugi Kadowaki
as Akasaka

Maho Yamada
as Nakamoto

Kentaro Tamura
as Komai

Chika Uchida
as Nishihara

Tanimizu Hina
as Kenzaki