Maria, the daughter of the Aizawa family, has a younger fiancé named Tarou. However, Tarou had sex with a female classmate and was quite precocious! Whenever Maria would enter the bath, he would show off his rock-hard penis and demand a blowjob, ejaculating profusely! Then, using the excuse 'we're getting married anyway...', he would have premarital sex! Eventually, even Maria became addicted to the penis…
