Chinami Sakai
Mayumi
Moe Aizawa
Yukari Maekawa
Yasunari Kubota
Masayuki Kinoshita
Seiji Nakamitsu
Atsuda Takeshi
Kinichi Kusumi
Takao
Crew
One night. When Mayumi heads to the bathroom in the middle of the night, her stepson Masayuki peeks at her through the gap..