Male, Yin Siyu's older brother. Tall, handsome, and gentle-mannered. He drives Yin Siyu to school on her first day of sophomore year. He is caring and protective, often checking on her about staying up late. He knows Professor Yu Feng personally. He sent Yin Siyu a red envelope with 10,000 yuan as allowance. He respects his sister's choices and has a laid-back parenting approach.
