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FANPAGE! This article is just a fan page. It is a part of the STAYC fanbase and information may not be considered official or verified.


The Real Name Line is the grouping of Sumin, Sieun, and Seeun. All members of this line use their real names as stage names.

Members[]

Stage Name Birth Name
Sumin (수민) Bae Soo Min (배수민)
Sieun (시은) Park Si Eun (박시은)
Seeun (윤세은) Yoon Se Eun (윤세은)

About[]

Similarities[]

  • They were all born in South Korea.
  • They all have brown eyes.
  • All of their names start with an 'S'.
  • They have all had black/brown hair at some point.

Differences[]

  • Sumin and Sieun make up the '01 Line, while Seeun was born in 2003.
  • Sumin and Sieun are part of the Unnie Line, while Seeun is part of the Maknae Line.
  • Seeun is left-handed, while Sumin and Sieun are right-handed.
  • Seeun has two siblings, whereas Sumin and Sieun each have one sibling.
  • Sieun and Seeun had acting experience prior to debuting with STAYC; Sumin did not.
  • Sumin (blood type O) is the only one who does not have blood type A.
  • Sumin and Sieun both enjoy going to haunted houses. Seeun is really freaked out by this.[1]

Trivia[]

  • The members of The Stage Name Line were the first three members to be revealed to the public as HighUp Girls.
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