To be sensation! Hello, I'm Inseong!
Kim Inseong (김인성) is the vocalist and dancer of the boy group SF9 under FNC Entertainment. Aside from being the eldest, Inseong is also considered as the smartest in the group. Inseong learned to speak English after studying in London for a year.
He debuted as a member of SF9 on October 5, 2016 with the group's first single album "Feeling Sensation".