Hearing AV music continuously coming from the next room is causing him immense anxiety. His childhood friend, Satsuki Mei, with huge breasts, experiences a frenzied orgasm despite it being her first time having sex. (ROYD-114)

Mei, the younger sister, is tormented by the constant noises coming from her brother's room, often accompanied by pornographic sounds. One day, Mei reunites with her childhood friend, Mamoru. Mamoru is captivated by Mei's grown-up appearance. The sounds coming from her brother's room next door cause them to instantly close the distance between them. Unsatisfied by her brother's pornographic sounds, Mei experiences intense pleasure during her first time making love with her childhood friend.