HaSeul (하슬) is a South Korean singer currently under BlockBerryCreative. She is a member of girl group LOONA and the leader of its sub-unit LOONA 1/3. She was introduced as the group's third member in December 2016.

Personal life


On January 8, 2020, BlockBerryCreative released a statement stating that HaSeul had been diagnosed with recurring anxiety.[1] In order to recover, it has been decided that she will be taking a temporary hiatus to focus on her mental health.[1] Due to this, she will not be promoting the upcoming album #.[1]


1997-2017: Early life and career beginnings

On December 8, 2016, HaSeul was revealed as the third member of girl group LOONA, and released her pre-debut single on December 15, 2016.

In October 2017, HaSeul, along with fellow LOONA members HeeJin and HyunJin auditioned for survival reality show MIXNINE, but HaSeul was the only one who did not pass the auditions.[2]


Single albums


Reality shows

  • MIXNINE (JTBC, 2017–2018) - contestant


  • HaSeul is bilingual in English and Korean.
  • HaSeul was initially preparing to study opera music in college.
  • Her music teacher recommended her to participate in a teenage music festival; she did not win any awards, but was casted to become a trainee under Blockberry Creative.
  • In the audition, she got accepted singing IU's "Friday”.
  • HaSeul trained for 1 year prior to her reveal single.
  • Her father has always supported her dream of becoming a singer.
  • Her goal is to become a singer who can ring the public’s heart with her music.
  • HaSeul is the weakest in aegyo, but fans keep asking her to do it.
  • Both her ears have different shapes.
  • Her name is an acronym for '늘에서 내려온 기로운 아이 (lit. the wise child who came from the sky)' (from LOONAbirth profile)
  • HaSeul has a fear of birds.




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