暴虐学園

Miyuki Hara is a beautiful 29-year-old music teacher. She comes to a small town to teach at Sobu High School.

Miyuki attracts the attention of a gang leader. His name is Taka. He and other gang members start to disrupt her class.

She consults with her colleague, Keiko. Keiko invites her to a party that Taka will attend. Miyuki decides to go to create a good relationship with him. When she gets there, she finds out Keiko is actually Taka's mistress. Keiko invites her to become Taka's other mistress...