Mother Erika and son Satoshi divorced five years ago and became a single-mother family. The two of them ended up living in Erica's countryside, but Satoshi, who has a shy personality, finds it difficult to make friends. Such a Satoshi is the only person who can comfort her heart. It was his mother's butt. Erica also begins to realize that the presence of her son, who touches her buttocks while she is doing housework and while sleeping, is a love and pleasure for her...
