Aki Sasakawa, who had been taking care of her friend Kinoshita ever since he lost his mother at a young age, has long harbored a secret admiration for the beautiful Kinoshita. One day, Kinoshita accidentally sees Aki's mature body and realizes that his admiration has turned into a love accompanied by desire. He begins to crave Aki's body greedily. Meanwhile, Aki, knowing that their relationship is forbidden, gradually starts to desire Kinoshita as well…
