HaSeul (Hangul: 하슬) born Cho Ha Seul (Hangul: 조하슬), is the third member and Leader of LOONA and the leader of the sub-unit LOONA 1/3. She was born on August 18, 1997, in Ansan, Gyeonggi Province, South Korea.
- "HaSeul" (2016)
|2017||Do You Remember The First Time We Met?||-||Cho HaSeul (Main)|
|2017||Do You Remember The First Time We Met? 2||-||Cho HaSeul (Main)|
|2018||Do You Remember The First Time We Met? 3||-||Cho HaSeul (Minor)|
Music Video AppearancesEdit
|2017||"Everydy I Love You (feat. HaSeul)"||ViVi||Rapper|
|2017||"Love Cherry Motion"||Choerry||Minor|
- HaSeul auditioned for BlockBerryCreative with the song "Friday", by IU.
- She is the fourth oldest in LOONA.
- She is the second oldest in LOONA 1/3.
- Her zodiac sign is Leo.
- She is represented by a white bird and the color green.
- She is the third member to be revealed on December 2016.
- She is a fan of baseball.
- She released her solo single album "HaSeul" on December 15, 2016.
- She is bilingual, knowing English and Korean.
- She lived in the US for a year.
- She recited the poem ‘Now, We’ by Park Joon for weekly poem 3.