Her name is Ye Fu, and everyone affectionately calls her "Sister Furong." She says it doesn't sound good but always accepts it silently.
Her parents died in a car accident when she was a child, and she stayed with her father's best friend.
Mu Huan is a young man who looks weak and timid, has quick thinking, and is gentle and elegant. His biggest hobby is visiting the library. He is a typical science genius with a developed mind and simple limbs. He also cooks delicious food.
Ye Fu is a taekwondo master who is fearless, but she has nothing to do with Mu Huan. Mu Huan asked her to go east but she dared not go west. They spent more than ten years under the same roof. Mu Huan originally thought that his feelings for Ye Fu were limited to his brother's love for his sister, but that changed the moment they entered Qinghai University and encountered a series of nonsensical and harmful friends.