I believed that you could become a real family even without blood ties... Sayuri, who married a husband much older than her. She thought she could quickly become close and build a close relationship with her husband's stepson, Tatsuya, because they were close in age, but before she knew it, Tatsuya demanded that they become a man and woman relationship instead of family. A woman's heart is confused by the unexpected confession. At such a time, she finds out that her husband will be away on a business trip for a week...