A single man with no experience of women. But his life is about to change! Yui, a married woman who moved in next door, is always without a bra or panties! Yui repeatedly shows off her no-bra nipples and no-panties Yui as if to tease the man. The man's reason melts away in the dizzying temptation of her no-bra, no-panties appearance, and he finally visits Yui's room in search of her seductive body...