Five years into marriage, 31-year-old housewife Riku Aizawa faces her first adult video shoot. From the start, she appears nervous and slightly fidgety, yet exudes an intellectual charm. Currently living with her 4-year-old child and her doctor husband, she seems to have built an ideal, enviable family life. When the man comments, "Your family life seems perfect," she replies with subtle ambiguity, "Not really..."—hinting at hidden tensions beneath the surface. Though faithful and never unfaithful, she privately struggles daily with uncontrollable desires she can't satisfy alone. Blushing at the man's teasing questions, her embarrassment gradually gives way to arousal, eventually revealing herself in a T-back bikini. Initially hesitant about receiving hickeys, her moans betray growing excitement as sensual foreplay unfolds. Once her underwear is removed, her flawless, salmon-pink nipples emerge—beautiful breasts that belie motherhood. Her thoughts of family fade as she sinks deeper into pleasure. "No... I'm dirty... uhn!! Ahh... no..." she gasps, overwhelmed by sensations her husband has never given her. Exposing herself more shamelessly to the camera, her fair, slender body flushes with heat. Fully aroused, she reaches for the man's crotch, teasing it with a seductive smile, her body trembling at the touch of a cock she hasn't felt in years. Surprised by its size, she hesitates before running her tongue along the shaft. Unable to deep-throat the thick member, she uses her beautiful legs to stroke and stimulate it instead. Overwhelmed by relentless, novel sensations, the faithful wife transforms into a lustful adulteress. Then comes the long-awaited moment. "Mmm... ahhhhhh! Don't move...!! Nnnnngghh!!" Her slender body writhes as deep vaginal stimulation paints her expression in sultry hues. Pounded mercilessly by the rock-hard cock, she can barely stand, desperately gasping for breath. Lost in unstoppable ecstasy, she moans uncontrollably, surrendering to pleasure as if escaping reality. "Too intense... ngh... aaaahh..." Her incoherent cries echo in the private room, spreading an atmosphere of raw, adult decadence. All earlier anxiety vanishes—she is now utterly erotic, shamelessly aroused. Her wedding ring glistens, splattered with thick, milky cum.