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01 Line is the friendship pairing between Sumin and Sieun.
About[]
Similarities[]
- They were both born in the year 2001 in South Korea.
- They have both had black/brown hair at some point.
- Both are part of the Unnie Line.
- They were both originally introduced as part of HighUp Girls.
- They both use their real names.
- They both have brown eyes.
- Both have one sibling.
- Both are good at Yoga.[1]
- Both are the shortest members in the group.
- Both likes to ask for others' opinions when selecting between contact lenses, even when they already have an answer in their heads.
Differences[]
- Sumin is older than Sieun by 4 months.
- Sumin was born in March while Sieun was born in August.
- Sumin was born in Gyeongsang while Sieun was born in Seoul.
- Sieun has a pet dog while Sumin has two pet cats.
- Sieun has a younger brother while Sumin has an older sister.
- Sumin's blood type is O, whereas Sieun's blood type is A.
- As of 2021, Sieun is a college student, Sumin isn't.
- Sumin is a rapper, Sieun isn't. That said: Both can speak quickly.