Female protagonist, a frail young woman suffering from severe congenital heart disease. She was raised in the wealthy Yun family but faced isolation and gossip due to her condition. After recovering in the hospital, she moves to Yunhai City to start a new life. She possesses a system that communicates with her and can accumulate favor points. Her heart condition is so delicate that even minor excitement or physical exertion can endanger her life. She is described as having clean, beautiful eyes and being very thin with pale complexion and colorless lips during her illness episodes.
