Yuko Shiraki, exclusive to Takara Eizo! It's been two years since the father died. The son and his wife return home after a long time. The son is suddenly attracted to his mother's sensuality after a long time. The widowed mother becomes more beautiful than ever. Then, the son stumbles upon his mother's naked body and is turned on. "This is definitely wrong"... the more he thinks about it, somehow his crotch tightens... and he knows it's definitely wrong...