Hitozuma gakugeiin: Toshokan no chitaide... (2006)

Yoshiko, a cheerful librarian, is a favorite among library patrons. Her jealous husband, Sadao, constantly worries about her interactions with other men. One day, a man named Oka visits to discuss donating a collection of books—specifically, erotic novels. The material sparks lewd fantasies in Yoshiko’s mind...