Masato, his son-in-law, has been dramatically dumped, and his mother, Saori, feels sorry for Masato, who uses masturbation to relieve the loneliness of not having a girlfriend, and makes a proposal. She said, ``You can even touch her bare thighs.'' Masato can't believe his ears, but he can't deny Saori's kindness and accepts her outlandish proposal. Every time she bares her legs, her private part gets slimy, and I feel a surge of desire...I purposely start moving her hips so that it touches her clitoris!