He advertises a spare room for extra money and is shocked when a woman answers, leaving the virgin alone with someone other than his mother for the first time. She is hugely busty and so careless that panties, bra, and nipples keep appearing. As he struggles between rent and lust, she notices his erection and secretly grows aroused. Both reach their limit, ending his virginity; he still pays all the rent, but their sex life now resembles a live-in couple's.