Shinji, who lost his mother before he could remember and was raised as a single man, fell in love with his friend's mother, Miki's maternal nature. However, he is unable to express her thoughts on his own, and ends up consulting with her. Miki, who is inexperienced in sexuality, teaches him one by one. At his first pleasure, Shinji forgets words and continues to shake his hips. He desperately devours her body, and at some point Miki's body can't stand the waves of climaxes surging...
