Younger actress Machi Ikuno has no lesbian experience, while Moa Hoshizora, who is bisexual and once had a girlfriend in private life, enjoys hardcore sex. With a 7-year age gap, Machi initially feels shy toward her slightly older senpai, but gradually overpowers Moa with a deep curiosity toward sexuality. Here unfolds their intense relationship—filled with saliva-drenched passionate kisses and progressing into a strikingly beautiful, highly erotic, and deeply intimate connection between the two.