Main Characters Terahara Ken [Security firm employee] Ishikawa Aki [Credit Union worker] Sean [IT Company President] Matsuoka Takanori [Politician ] Sakurai Satoko [Prosecutor] Takashima Shoichi [Middle school teacher in Hokkaido] Kawamoto Rie [Nurse in Tokyo] Sawada Tsutomu [Apparel company employee in Osaka] Asao Motoya [Rie's boyfriend] Oura Akira