Student Kameda is always hanging out with his close friend Hosoda. One day, Nanami, who she has a crush on, came to a study session at Kameda's house with her best friend, Yui. Hosoda, Yui, and Nanami stay at Kameda's house under the pretext that their parents are away on vacation. In the middle of the night, "Hosoda" showed Kameda's erotic goods to the two girls, and the four of them turned into a lewd atmosphere. ＃Yoro P
