One day, Murata witnesses his boss Morisawa changing her pantyhose that have been wired. When Morisawa leaves, Murata picks up the pantyhose and smells them, but Morisawa finds him and scolds him. During the scolding, Morisawa spreads her legs to seduce Murata. She's not wearing any underwear. Murata gets excited and starts panting (*´Д') and Morisawa notices that he has an erection. From that day on, Morisawa starts to play sexual pranks on Murata...