Sun Yiqi. Cui Weili, alias Cui, is a China male singer and an all-around songwriter. 1988/kloc-0 was born in Chifeng city, Inner Mongolia on October 30th. Since October 20th, kloc-0 has composed more than 300 songs. Cui Weili's wife is Sun Yiqi, and she is husband and wife, while Sun Yiqi is also a female singer in Chinese mainland.