Beautiful legs teacher: spread in agony (2010)

A pink movie for which Miyuki Yokoyama won the Pink Grand Prix New Actress Award. Yoshiko is a lecturer in a computer class. Among her students are Saori, who came to Tokyo dreaming of a talent; Akemi, a frustrated housewife who has reached a period of malaise; and Yamada, a middle-aged man in crisis. Today is an email class. Immediately, an invitation email from Yamada arrives at Yoshiko's computer. Suddenly, Saori's ex-boyfriend Kenji rushes in! The class is messed up. However, Akemi gives Kenji hot look. After that, Saori, who had escaped from Kenji, rolled into Yoshiko's room, where she lived alone. There, Yoshiko is told by Saori that she and Yoshiko are half-sisters.