The only male student at at certain girls only academy exists solely for the purpose of a certain committee. That is, to be a boytoy serving all the high-class girls wishing to relieve their pent up sexual desires!
The boyish Satsuki is so lonely she masturbates and dresses up in a bunny girl outfit with her large female friend for lots of cheating sex. On top of that, having made a big mistake... she gets punished with some anal violation.