The Girl and the Wooden Horse Torture (1982)

Plot

Nami appears to be an average high school student, but she harbors intense masochistic fantasies and enjoys binding herself with ropes. After a confrontation with two delinquent girls, her teacher, Muraki—who suffers from a weak heart—intervenes to help her. Following this incident, Nami's vivid daydreams evolve to feature Muraki in various S&M scenarios. Fast forward two years, Nami, now in college, unexpectedly encounters Muraki and invites him for drinks. After a night of heavy drinking, he awakens in a themed hotel room where Nami is eager to bring her deepest desires to life.