Due to injuring his right hand, the son is struggling with various inconveniences in his solitary life. His beautiful stepmother 'Shiorina' came from their hometown to help take care of him. The two are living together in a caregiving arrangement. The son's perverted thoughts surge when he feels the kindness of his young and beautiful stepmother, causing his crotch to heat up and become erect, but he can't even masturbate on his own. Then, there is the sight of his stepmother gently gripping his crotch...
