Saeki Sayoko is a new guidance counselor at this certain school. Prior to that, she is fucked by some of the students with a help of powerful drug. But surprisingly , the students who fucked her recognized her in the welcome introduction to the school. Then the principal met her and told her about the rules ” no sex with students” Sayoko is ok with that but the principal got a naughty side and seduced her. What is the mystery of the school faculty and who is the source of that drugs.