親友の恥母白い下着の染み (2006)

Name: 親友の恥母 白い下着の染み
Released: 2006-11-24
Duration: 1 h
Cast: 松本亜璃沙, 華沢レモン, Aki Yatô, Takuma Yanaginouchi, 真田幹也

Yuya, who harbors a secret longing for Kyoko—his friend's younger sister Yumi's tutor and their stepmother—steals a pair of Kyoko's panties under the pretext of using the restroom. However, Yumi witnesses the act, and he finds himself being blackmailed.