Korean pop singer and member of the K-pop boy band SF9 (aka Sensational Feeling 9), which was formed by FNC Entertainment. He and the band made their debut with the single "Feeling Sensation," which ranked at number eight on the Geon Music Charts.
He was awarded a spot on SF9 after competing in the Mnet competition series Dance or Band in 2016.
He and SF9 became FNC's first dance boy group.
His real name is Kim In-seong, but he is better known as Inseong.
He and Young-bin are both on the K-pop band SF9.