Song Seong Won, known simply as Seong Won, is a South Korean singer, dancer, rapper and maknae of the group NTX. He graduated from Wonjong High School. He originally made his debut in 2017 as part of a kid group under Kids Planet called U.SSO BOY under the stage name U.Win. The group disbanded in 2018 and he also began modeling and taking acting roles for a few dramas. Later, he signed with Victory Company and they originally wanted to call their first boy group NT9, but, decided to re-label as NTX, an abbreviation for "Neo Tracks No. X". The group released their first pre-debut song titled "Black Hole" on August 2020 and then released 3 more singles before officially debuting on March 2021 with their 1st mini-album "Full of Lovescapes".
(Source: Korean = Namu Wiki || Translation = MyDramaList)
