– She was born in Ansan, Gyeonggi Province, South Korea.

– Haseul has a younger brother, born in 2002.

– She is the December Girl (she was presented in December 2016).

– Her designated color is green.

– She is is represented by a white bird.

– Haseul’s English name is Jane.

– In the audition she got accepted singing IU’s ‘Friday.”

– Haseul’s nicknames are Jo Leader and Harvard.

– Secret about Haseul’s body is that her both ears have different shape from the other.

– She can speak English.

– Haseul can play both the guitar and piano.

– Haseul has 1 dimple.

– Haseul is though terrified of birds. (When Haseul was a child she got really scared by a pigeon.)

– Haseul is scared of water.

– Haseuls ring size is 9 or 10.

– Haseul likes mustard color and burgundy color. (According to Loona second NZ story video)

– Haseul is the weakest in aegyo but fans keep asking her to do it.

– She was late to graduate from high school, because she studied in the US for a year.

– She was trainee for a year.

– Haseul participated in YG’s survival show MIXNINE, but didn’t make it.

– Haseul’s role model is IU.

– Haseul won’t be participating on current activities due to private reasons.

– LOONA‘s Haseul will be taking a temporary break from activities. On January 8, 2020 Blockberry Creative released a statement regarding Haseul’s condition, and stated that she would be sitting out their album promotions for # (Hash) as well for their album 12:00:( Midnight Festival )

– On the 2nd of June 2021, @loonatheworld tweeted out a news article confirming that Haseul’s hiatus was over after a year and 6 months.

– Haseul’s Ideal Type: is a guy who is like her father.