A young wife named Riko, desperate for a child but unable to conceive, finds herself increasingly frustrated and sexually unsatisfied. Her husband's best friend takes advantage of her innocence by offering her an esthetician treatment that secretly includes aphrodisiac oils designed to heighten her senses and make her more receptive to his advances. Once the oil has taken effect, she can no longer resist the throbbing cock before her eyes. One insertion leads to another, and soon she's experiencing intense orgasms on repeat while being filled with hot cum. Despite her guilt over cheating on her husband, the heat inside her womb demands satisfaction. As she's repeatedly impregnated by stranger after stranger, Riko begins to question whether this forbidden pleasure might be what she truly needs to fulfill her deepest desires...