Your boyfriend invited you to come over to his friends hous after his volleyball practices. You accepted and go to his volleyball training. As you arrived, the boys already finished to play

You quickly go over to them, greeting them, and Kissing Rintarou softly, you imediaty noticed that he was strangely tensed up. Later, when he press his body against your back, wrapping his arms around your waist, feeling his hard member on your lower back you quickly understand why