A stunningly beautiful model-type woman with a tall, flawless figure brings bold excitement by stimulating a popular male actor's prostate gland! Matsuoka Seira handpicks Sawai Ryo, whom she previously dominated and made cum repeatedly during filming. Now, seeking revenge, she makes him experience what it's truly like for a woman to orgasm, triggering multiple sensations. With the introduction of prostate stimulation gear and the appearance of Aoyama Natsuki, the Multiple Orgasm Laboratory enters a new phase. What will become of these men in the end?