Yumi became the mistress of a corrupt lawyer and lived comfortably in a luxurious mansion. However, her daily life was marked by a cold, emotionless relationship with her patron, and Yumi silently endured the pain it brought her. Blaming herself and enveloped in despair, she still refused to completely abandon hope. Then one day, a young man from her childhood appeared before her, setting off a series of events that would drastically change her life.