Hibiki Otsuki has an extremely sensitive body, openly declaring her nipples as erogenous zones. When her nipples are stimulated, she experiences convulsive orgasms, her body arching violently like a shrimp with each climax. The crew is stunned by her intense reactions, as she reaches orgasm after orgasm solely from nipple stimulation—an astonishing display of a woman climaxing purely through nipple play. With her sensitivity heightened, Hibiki continues to reach successive peaks, unable to stop her continuous orgasms. This is the ultimate portrayal of a woman who climaxes entirely through nipple stimulation. Her appearance during these moments is truly erotic.