Mama Shibori 2

ママしぼり^2（ママしぼりの事情） 

Nao usually has a bath with his mother, Naoko. Also, he sleeps with her every day. But one day, he starts avoiding her. She asks him what is wrong and he tells her that his dick keeps being erected and semen never stops coming out.

She is shocked to hear that and takes him to hospital. According to a doctor, one and only way to cure it is to remove all his semen. She decides to give him a helping hand....

Mama Shibori   

ママしぼり