A seven-year-old boy, the youngest in his second-grade class. He is Jiang Wanwan's student. He has a distinguished name but an ordinary appearance, always seems dirty with stained clothes, yet his homework is the neatest in class with perfect math answers. He always fails exams despite his math talent. He has a bloody gash on his head from domestic abuse. His father is Ji Dashan and his mother is Fang Jingshu. He has fierce tiger-like eyes.
