This woman named Mei Washio is so sensitive that she can't help but orgasm when touched or moved during their secret rendezvous. Despite being married, she finds herself falling for her lover and enjoying every moment they share together. However, her extreme sensitivity leads to embarrassment as she struggles to control her body's responses. She tries to resist giving in to pleasure but fails miserably each time he touches her breasts or caresses her body. It seems like there's nothing he can do without sending her over the edge into multiple orgasms. Her insatiable appetite for pleasure has earned her the nickname 'Big Tits Lover'.