Today, Koji sneaks into the dressing room after Reina has had a bath and stares at her. "Araola"... the fantastic reddish brown circle that spreads out at the top of Reina's large, ripe breasts. Koji's earnest desire, which could be described as pure and innocent, grows stronger with each passing day, and finally today, the moment when he can fulfill his wish arrives. This is the story of the obsession between a mother with an incomparably attractive areola and a son who is fascinated by his mother's areola.