Six-year age gap
Cool and fiery older sister x passionate and uninhibited younger man
Yun Jingwei: A nurse at a top-tier hospital. She is used to keeping her feelings to herself and being sensible, and does not believe a young man's love can last.
Tong Xuwang: He fell in love with her at first sight when he was sixteen and kept his unrequited love hidden for years. After reaching adulthood, he built a restaurant business from scratch. Devoted and possessive, he loves only Yun Jingwei.
Theme: As long as you look back, I will always be standing behind you.
