Himari Kinoshita, a slender milf and married woman, is the wife of a company executive and the subordinate of her husband. After taking care of her drunk husband and bringing him home one night, she is asked by him to stay over with the words, "Can you spend the night here?" That single moment shakes her heart to the core and leaves her unable to forget him. This NTR (cuckold) story unfolds with shocking developments and intricately tangled relationships. Beginning from that fateful night, it weaves a tale of love, jealousy, and the threads of destiny.