Xtra Credit 2

The pretty and decent teacher Miyuki falls into the hands of some horny students who constantly blackmail her and demand sex orgies with her. One day she learns about a music festival and her school must win at all costs to defend its good reputation. Mr. Sugai, as the head teacher, demands Miyuki offers full physical effort. He has come to know about Miyuki having a sex relationship with some students. He decides to blackmail her because he wants to offer her as a horny sex object to the jury of the festival - so that ultimately the school can win.