23-year-old Akari Minase impulsively married her classmate boyfriend at age 20. Their newlywed life was loving and sweet, living together with her husband. But after graduating from university and entering the workforce, her feelings began to change. Her female coworkers would go out and have fun after work, but she couldn't do the same due to her marriage. She started regretting getting married. One day, she was approached by an older male colleague who worked as a training supervisor at her company, and before she knew it, they became secret lovers. Today, she lied to her husband, telling him she was on a business trip, and arranged to meet her lover at a hotel.