June 13th, 2002
|Years active||2020 - Present|
|Height||175 cm (5 ft 9 in)|
Youngseo is a vocalist for the new boy group BAE173.
Youngseo does not attend an arts school. He has an older sister.
Youngseo attended TNS Academy. In 2018 he joined Source Music, but later left.
- His favorite foods are macaron, cake, and chicken. - If he could have a super power it would be teleportation.