Ayane, a high school girl, was born as the daughter of a prestigious shrine, destined to become a shrine maiden immediately after graduation. Her path includes a sacred binding ritual meant to deepen spiritual devotion, with her betrothed Aki ceremonially releasing her body in a solemn moment. As she comes of age, Ayane feels some uncertainty about her surroundings, yet gradually develops a sense of duty and identity as a shrine maiden. Through this journey, she matures emotionally and physically, awakening to new feelings and sensations.