Former couple Mizuto and Yume reunite as step-siblings when their parents announce a marriage on the day before high school. To prioritize their parents' relationship, they establish a rule to not engage in any sexual activities.
Trailer
Cast
Hiro Shimono
Irido Mizuto
Rina Hidaka
Irido Yume
Nobuhiko Okamoto
Kawanami Kogure
Miyu Tomita
Higashira Isana
Ikumi Hasegawa
Minami Akatsuki
Ai Kayano
Yuni Irido
Kazuyuki Okitsu
Mineaki Irido
Yôko Hikasa
Madoka Tanesato
Genta Nakamura
Homeroom Teacher
Tasuku Kaito
Schoolboy
Hinata Satô
Chikuma Tanesato
Manatsu Murakami
Maki Sakamizu
Minami Kurisaka
Toddler
Minami Kurisaka
Crowd Noises
Akari Tadano
Receptionist
Akari Tadano
Crowd Noises
Kyoka Moriya
Nasuka Kanai
Naoyuki Shimozuru
Customer
Naoyuki Shimozuru
Crowd Noises
Miho Yoshida
Natsume Irido
Yôhei Matsuoka
Boy
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