A man → woman & woman → man anal licking syndrome. Anal licking, which is usually not easy to ask for private play, is challenged by innocent and inexperienced beautiful girls who have almost no experience in anal licking. First, a young girl is observed while being embarrassed about her anal opening during close-up shots. Then, she moans as she feels the eroticism of having her anal hole licked by a man who loves anal licking. However, after experiencing the pleasure of anal licking herself, she becomes more adventurous and begins to lick the man's anal opening, making him squirm with pleasure. As the story unfolds, these beautiful girls discover their newfound love for anal play and eagerly beg for more, spreading their cheeks wide open in anticipation.

男→女＆女→男のアナル舐めシンドローム。アナル舐めというプライベートではなかなかお願いしにくいプレイを、アナル舐め経験がほとんど無いという恥じらい美少女達が挑戦。最初に美少女のアナル観察でドアップで接写されて恥じらう美少女。そしてアナル舐め好きという男にアナルをベロベロ舐められながら悶えていく。しかしアナル舐めのエロさを感じた美少女は、今度は男のアナルをベロベロ舐めて男をヌカせていく。そんな美少女はアナル舐めに覚醒して、自らアナルを広げおねだりしていくのである。