Ryoro Kurojima is the director of a Tokyo apology center. His job is to teach others how to apologize. Ryoro Kurojima solves problems by using his apology techniques on anything from simple arbitration to a national crisis.
Masanomi Minoa

Machiko Ono
Office worker

Yasuko Matsuyuki
Tetsuro's ex-wife

Yoshiyoshi Arakawa
Gosaku Wada