Kanna, after getting married, grew tired of her nagging husband and started working part-time. One day, she unexpectedly reunites with her ex-boyfriend—the man who had once left her for another woman but now deeply regrets his decision. Still harboring feelings for him, Kanna quickly finds her emotions resurfacing. One day, she discovers she's pregnant. Sneaking away from her husband's watchful eye, she slips into her ex's bed, giving in to their rekindled passion.