Kim Myung-soo (Korean: 김명수; born March 13, 1992), known professionally as L, is a South Korean singer and actor. He debuted as a vocalist of boy band Infinite in 2010 and its sub-group Infinite F in 2014. He left Woollim Entertainment in August 2019 but is still a member of the group. [https://en.wikipedia.org/wiki/L_(entertainer)].
song:Back by Infinite 인피니트.
Credits to the rightful owners.