FXD-044 Mother-in-law and sister-in-law tempt a man studying for entrance exams at home

A new mother and her sister-in-law come to the house one day, and the man studying for entrance exams finds them too dangerous. The sister-in-law, Koyuki, is tied up by her father and has an affair while the mother-in-law is away, while Hitomi, the mother-in-law, treats him gently and turns affection into lust. One day, the desire of the two sluts turns on his body.