伦理片《义母小情 人/My Classmate is Dads Wife》由主演，2007年日本地区发行，感谢点播《义母小情 人/My Classmate is Dads Wife》。Junichi"s father, Yoshiyuki is a professor of the university that Junichi goes to. Yoshiyuki has remained single since Junichi"s mother died 10 years ago. One day, Junichi learns that his father is getting remarried; surprisingly his stepmother turns out to be Aya, the classmate he secretly admires. How will their relationship become?