Stage Name: Seoin
Birth Name: Yoo Seong In but he legally changed his name to Yu Seo In
Group: APL
Position: Leader, Main Vocalist
Birthday: June 7, 1995
Zodiac Sign: Gemini
II. Career
He is a former member of NewUs.
He then debuted with the group APL on February 19, 2016 with their first single album “Might Die”.
III. Seoin Facts
– He’s a former member of NewUs.
– He was born in Buyeo, Chungcheongnam-do, South Korea.
– Family: parents, brother.
– He likes to exercise.
– Hobbies: listening to music, watching movies.
– The members chose him as the leader for his musical experience.
– He changed his name when he turned 18.
