A girl named Yumeno Rim stands out among her classmates due to her plain appearance. However, she has hidden assets; a pair of alluring big tits that are just begging to be seen! As he starts observing her, he discovers that she's quite skilled at seducing men both inside and outside of school. Her voluptuous body quivers with pleasure as she teases him with her huge breasts before giving him an intense blowjob. She even goes so far as to straddle him and grind their bodies together while he pumps his seed deep inside her. Their secret tryst is revealed when another student catches them in the act, but they manage to keep it quiet by offering each other some hot, passionate lovemaking. Despite being known as a shy girl, Yumeno Rim proves herself to be quite the nympho and slut, leaving our protagonist completely satisfied after filling up four bottles containing over 4300 ml of her delicious cum.