Marie-san, who lives next door, has a voluptuous, soft body and big, tender breasts. Always kind and caring, she warmly invites you into her home and treats you to home-cooked meals, making her an incredibly approachable presence. In the first part, Marie-san, blessed with J-cup breasts, invites the shy virgin boy on a hot spring trip to help him lose his virginity. In the inn room and private bath, she entices and teases him relentlessly, repeatedly climaxing inside him with careless creampie after creampie. In the second part, their relationship deepens after the trip, igniting Marie-san's youthful, explosive desire. Their passionate lovemaking unfolds across various locations—kitchen, bedroom, bathroom—as their lust entwines in intense, heated moments.