As they travel around the country, a singer-songwriter duo's love triangle with their roadie jeopardizes their unannounced farewell tour.

The life story of a treasure hunter who lives in the countryside of Gunma in Japan. He is pure and kind, but has no communication skills and has a mind of his own. His sole friend is his co-worker. This man has never had sex. The friends find a robot one day. The robot wants to stay with the men. A bond is formed. The men resolve to change their lives.

Shigeo is released from prison and immediately beaten up by some old associates, which results in him losing his memory. Kasumi, who just by chance happens to be the manager of a band, takes him in and discovers his talent for singing.