After her steamy encounter with the masked man, Natsumi is invited to a boat trip which she gladly accespts. But of course...the boat isn't the only thing that will be getting wet. At the port, Natsumi meets the masked man, Hayama, and his friends. Knowing full well what Fudoutoku and sexually deviant encounters await her aboard the ship, she climbs on to get off and heads to see w/out any hesitations.