Cheng Tianyi

Cheng Tianyi is a hot-headed police officer in the metropolitan system. He has black hair and is known for his intense personality. Tianyi grew up in a tough neighborhood and joined the police force to make a difference. He is passionate about his job and always puts his heart and soul into it. Tianyi has a reputation for being able to handle any situation, no matter how dangerous it may be. He is always ready to take on any challenge that comes his way. Despite his tough exterior, Tianyi has a soft spot for those in need and will go out of his way to help those who can't help themselves. He is a true hero in every sense of the word.