After suffering through a long and unsuccessful series of fertility treatments, Satoko and her husband Kiyokazu make the decision to adopt a child. Six years after adopting a boy they named Asato, Satoko has quit her job to concentrate fully on her husband and son. The family lives a peaceful existence until the arrival of a stranger.

• Kumie
• Kazumo
• Hiromi Nagasaku
• Arata Iura
• Aju Makita
• Miyoko Asada
• Hiroko Nakajima
• Tetsu Hirahara
• Ren Komai
• Reo Satou