In Seong (인성) is a South Korean singer under FNC Entertainment. He is a member of the boy group SF9. Filmography Variety shows We K-Pop (2019-present, KBS) - Host Gallery "Feeling Sensation" (1)"Feeling Sensation" (2)Burning SensationKnights of the SunMamma Mia!SensuousNarcissus (1)Narcissus (2)RPM (1)RPM (2)First CollectionThis article is a stub. You can help Kpop Wiki by expanding it. Retrieved from "https://kpop.fandom.com/wiki/In_Seong_(SF9)?oldid=157630" Categories: 1993 births July births Person article stubs SF9 Singers Male singers In Seong (SF9) FNC Entertainment Community content is available under CC-BY-SA unless otherwise noted.