Their honeymoon destination is a hot spring renowned for its fertility benefits. Kasumi, the wife who desperately wants a child, starts demanding sex as soon as they arrive - at the entrance, in the open-air bath, even with wet hair right after bathing! She relentlessly seeks semen throughout the entire day without stopping! Even when he tries to take a break, he can't resist her J-cup soft breasts and ends up getting an erection instantly. From check-in until bedtime, their trip is a dense, sex-filled journey focused on making a baby.