In Mahoro, the fictional suburb of Tokyo, Tada works as a general problem solver for hire. One day, former classmate Gyoten appears unannounced. Both men are over 30 years old and divorced. With no explanation, Gyoten suddenly asks to spend the night at Tada's home. Eventually, Tada accepts Gyoten as his assistant and together they become involved in various cases concerning an assortment of people from different walks of life.
Tasuku Emoto
Yamashita

Kengo Kora
Hoshi

Yuko Nakamura
Mari's Mother

Masaki Miura
Yoshimura