Yoko, Shoko, and Kyoko are three female college students. Yoko has a boyfriend named Hiroshi, but when she hears that Shoko is having an affair, she becomes anxious. She also dreams of having an affair. Yoko approaches her professor Maehara to have an affair. Kyoko ends up sleeping with Yoko's boyfriend Hiroshi by chance. And then the three of them.
Rina Hayashi
as Yoko Hoshino
伊藤清美
as Kyoko Asuka
橋本杏子
as Shoko
池島ゆたか
as Himuro
山本竜二
as Maehara
螢雪次朗
as Koichi Saimaki
Tōru Moriya
as Yoko's boyfriend Hiroshi
Asami Yamaguchi
as Woman on the beach
