A big-breasted classmate comes to my AV otaku's house and taunts me with a cleavage flash

My classmate, Mao, has arrived at my popular house, who has no interest in watching AVs! She had small breasts at the time, but she transformed into big breasts, and the glimpse of her cleavage confuses me. They discovered a large number of AVs they had hidden in their home and ended up watching them together. When I noticed my panty shot, the stains started to fade! The room is filled with a frustrating atmosphere, and the two finally get into sex...!