The son, who lives alone in an apartment in Tokyo, is suddenly visited by his mother. What happened between her and his father back home… the son can only be amazed. He can't help but be drawn to his mother's body, which is surprisingly youthful and alluring for her age. Late at night, he lifts the covers of his mother sleeping in the cramped room, exposing her lower half. He puts his hand on her underwear… The son unleashes his lust！！
