About Up10tion
Up10tion (Korean: 업텐션; pronounced eobtensyeon for "up tension", acronym for Unbelievable Perfect 10 members Teenager Idol Open Now) is a South Korean boy band formed by TOP Media in 2015. The group currently consists of seven members: Kuhn, Kogyeol, Bitto, Sunyoul, Gyujin, Hwanhee and Xiao. The group debuted with their first extended play Top Secret. In 2017, they made their Japanese debut with EP ID. Originally as ten, Jinhoo, Lee Jin-hyuk and Kim Woo-seok departed from the group on February 28, 2023.