Seoul=) = Singer and actors Lee Seung-gi and BtoB Yook Sungjae (right) pose at the 2019 SBS Entertainment Awards photocall event held at SBS Prism Tower in Sangam-dong, Seoul Mapo-gu on the afternoon of the 28th. December 28, 2019
About BtoB
BtoB is a South Korean boy band formed in 2012 by Cube Entertainment. The group consists of Seo Eun-kwang, Lee Min-hyuk, Lee Chang-sub, Im Hyun-sik, Peniel Shin and Yook Sung-jae.
 Wikipedia