A member of SF9 under FNC Entertainment, Inseong, whose real name is Kim In Seong, is the main vocalist of the group.
He is currently 28 years old and his date of birth falls on 12 July 1993 - under the Zodiac sign of Cancer!
Standing at a height of 184 cm, Inseong weighs 70 kg. His blood type is A.
Inseong is from South Korea.