[Azul (林檎)] 生理の話2 -タンポン編- (ハイキュー!!) [DL版]
#241368 - It was covered in cum stains from at least a couple weeks of masturbation. We decided we would both ask to use the bathroom during second period and meet up in the bathroom that was right next to the auditorium since that would be the least used bathroom. He said that I was right and asked me if I would join him.