My mother Rin, who is a serious and sturdy friend, was so enthralled that she squeezed out her semen until my balls suddenly started to die...

Like her late husband, Rin is a mother who disciplines her son Yoshiyuki through Spartan education, wants to raise her son Yoshiyuki into an excellent lawyer. However, while Yoshiyuki's grades never improve and the stress builds up, Rin herself is also increasingly frustrated, and she can't take it and becomes immersed in masturbation... Rin is panicked when his son's friend Kenta watches this. However, his strong cock, his carnal desires that he had been suppressing with his rationality, finally explodes. And while scolding him, he began to play with the raised cock...