START-504 - Unlimited sexual desire monster, Miyajima Mei and Shibasaki Haru with 9 fans!

Two stars enjoy an onsen tour with their fans. 9 amateur users participate and liven up the atmosphere with erotic games. A penis check is performed at the entrance of the inn, a male sex organ falls in the bath, a penis tug-of-war is held in the banquet hall, a female body pyramid is built, and unrestrained sexual intercourse ensues. Finally, two unsatisfied individuals are made to ejaculate by AV actors in a surprise ending. An unlimited sexual desire monster is born!