Yumina Hirosaki, a mother worried about her son living alone, came to Tokyo. (TPIN-008)

A mother, worried about her son living alone, came to Tokyo to visit him. Although she was supposed to stay at my house, the room was incredibly stuffy because the air conditioner was broken. Seeing his mother sweating profusely beside him, he became excited! Despite knowing it was impossible, he already had an erection. And his mother noticed?