Arakawa's first love is Nanao, the mother of a friend he has admired since childhood.She has a beauty that does not fade even with age and beautiful big breasts.Her heart beats with her kindness that she always cares.But Nanao is her friend's mother.No matter how hard she thinks, this love will never come true.When she was about to give up trying to quit her sloppy love affair, she accidentally found out about Nanao's secret.Arakawa, who touched the slutty side of her longing woman, could not suppress her excitement.