It's been a year and a half since she started her long-awaited married life, and Kaori is living a happy life. However, the distance between her husband's stepchild, Tatsuya, was still subtle. One day, my husband goes on a business trip for a week. Kaori begins to live alone with Tatsuya and feels a little uneasy, but her uneasiness turns out to be true in an unexpected way...
