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.
Eita Nagayama
Ryuhei Matsuda
Anne Suzuki
Reiko Kataoka
Tasuku Emoto
Kengo Kora
Yuko Nakamura
Masaki Miura
Manami Honjo
Masayo Umezawa
Nao Ômori
Suzuki Matsuo
Akaji Maro
Ittoku Kishibe
Kota Yokoyama
Nahoko Yoshimoto
Amon Kabe
Shinsuke Suzuki
Kiyobumi Kaneko
Haruna Tanaka
Iroha Okuda
Miwako Shishido
Shohei Uno