Atsushi tries his best to hide his happiness when his mother's friend Sho, whom he has always admired since childhood, visits his house for the first time in a while. - However, due to her kindness, I feel more sexual desire than love... - The lust that wells up from the depths of his body moves Sho's heart, and he makes up for the mistake he made that night. - Atsushi, who is not satisfied with just once, approaches Sho even more and continues to entrust his body to the pleasure of immorality. - However, there is no way her relationship with Sho, a married woman, can last forever...