- SeulVi (슬비) (HaSeul and ViVi)
- HaVi (하비) (HaSeul and ViVi)
- “Everyday I Love You” (2017)
- Both are part of the sub-unit LOONA 1/3.
- Both are in the unnie line.
- Both have lived in places outside of South Korea.
- Both can speak (some) English.
- ViVi is older.
- HaSeul is in the '97 line.
- HaSeul is in the leader line, while ViVi is not.
- HaSeul is in the vocal line, while ViVi is not.
- HaSeul uses her real name, while ViVi uses a stage name.
- ViVi can speak Cantonese, whereas HaSeul cannot.
- ViVi has dyed her hair pink, while HaSeul has never dyed her hair an unnatural color.
- HaSeul’s blood type is O, while ViVi’s is B.
- HaSeul is a Leo, while ViVi is a Sagittarius.
- HaSeul’s representative animal is a bird, while ViVi’s is a mammal.
- HaSeul’s representative color is cool, while ViVi’s is warm.
- They are in the group LOONA.
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