The G-spot, a hidden treasure that wouldn't normally awaken even in sleep, was stirred awake by visiting a well-regarded massage parlor frequented by beauty enthusiasts... At first, it was just a regular full-body massage... But perhaps it was seeking more, delving deeper, reaching further inside, with the oil massage. Before she knew it, the masseuse's fingers had invaded her vagina, reaching Mitsuki's G-spot. There's no going back from here. Her 100-million-yen body has been altered, even her inner muscles have become sensitized! She mounts the masseuse herself, lost in pleasure, riding his cock until it reaches her G-spot, surrendering to the ecstasy...