【男子乱入】合宿中の美巨乳JKがバスルームでこっそりオ○ニーしながらアヘ顔晒してるところに男子が乱入して…！？

[Boy intrusion] A boy bursts in when a busty JK who is in a training camp is secretly exposing her face while secretly peeing in the bathroom…! ?