Rin Kokumi, who recently got married and was expecting a happy life, finds her husband's attitude gradually turning cold, leaving her feeling lonely. Due to the lack of communication in their relationship, she falls into despair and seeks solace by contacting her ex-boyfriend, leading to infidelity. However, the sex with a man other than her husband proves to be incredibly stimulating, awakening a hidden sexual desire within her, making her crave even more intense experiences. Rin Hibiki, on the
