Now in her third year of marriage, Juri Kirishima struggles with her relationship and decides to apply, seeking new excitement. Her sex life with her husband occurs only once a month, leaving her deeply frustrated. Gentle yet bold advances directed at her stir her emotions, awakening long-forgotten shyness and shame. Overwhelmed by the man's skill, she nearly loses consciousness, yet continues to writhe beautifully in poses reminiscent of yoga. This erotic, deeply intimate story captures every moment of the young married woman's physical and emotional transformation.