Saki, a married woman who commutes to work by train for five days from Monday to Friday.One day she is targeted by a chican addict and her plump breasts are groped like she is greedy.She is obsessed with big breasts that escalates day by day.Even though she doesn't like it, she gets excited about her and continues to play nipple torture with her toys and milk rubbing with aphrodisiac oil every day.The body of a married woman who is repeatedly toyed with transforms into an irreversible milky nymphomaniac body.