Iyashinbo The Motion

Studio: Guilty+
Makoto is a high school student. He lives together with his mother, Tamami, because his father passed away when he was a kid. One day, his dick gets erected as usual when he wakes up, but never gets small. Tamami finds it, and immediately takes him to hospital. According to the doctor, he has a continuous erection disease, and is required to ejaculate periodically. Since then, she gives him a blowjob everytime necessary. However, she gradually gets sexually excited….