Keung To is a Hong Kong singer, actor, and a member of the Hong Kong boy band group Mirror. He rose to fame after winning ViuTV's reality talent competition Good Night Show - King Maker in 2018. Keung made his solo debut in June 2019 with the single "No. 1 Seed.

Keung won the My Favourite Male Singer and My Favourite Song award at the Ultimate Song Chart Awards Presentation in 2020 and 2021, he is the youngest ever to do so.

In 2018, Keung participated in the television reality talent show, Good Night Show - King Maker created by ViuTV as contestant #99. On 14 October, he won the competition, finishing with a combined score of 21.4%, determined by a professional judging panel and public votes.