Sneaking into a girl's house! A secret, forbidden moan that must not be heard by Mom! Their suppressed gasps mixed with breaths are so hot... "Ahh! If my mom hears those sounds, she'll find out!" These students struggle to control their voices while they really enjoy themselves! There's perverted Rina-chan with her big tits, Tsubomi-chan with her petite body and small breasts, and Yuzuki-chan with her innocent face and beautiful boobs. Three students recorded in total! Note that the contents may vary depending on the distribution method.