Onda

1 Onda's real name is Jo Serim (조세림). She began using the stage name Onda when she was introduced as a member of EVERGLOW in 2019.

2 Her stage name means "come to me." The Korean word "onda" (온다) is related to the verb "to come," giving her stage name an inviting meaning.

3 She was born in Bucheon, South Korea. Bucheon is a city in Gyeonggi Province, located between Seoul and Incheon.

4 Onda began learning piano as a child. Her early music education helped develop her interest in performing.

5 She participated in Idol School in 2017. The Mnet survival competition eventually formed the girl group fromis_9.

6 She competed on Idol School under her birth name, Jo Serim. Her stage name Onda was introduced later, before EVERGLOW's debut.

7 Onda finished 40th on Idol School. She was eliminated during the fourth episode and did not join the final debut lineup.

8 She joined Yuehua Entertainment in 2018. Her training period at the company was relatively short compared with several other EVERGLOW members.

9 She participated in a pre-debut dance cover group called FRIENDS. The group performed covers of popular K-pop songs before Onda became a professional idol.

10 She performed Jennie's rap part in a BLACKPINK cover. During her time with FRIENDS, she participated in a cover of "Whistle."

11 Onda was the third EVERGLOW member revealed. Yuehua Entertainment introduced her through a teaser on February 20, 2019.

12 Her introductory nickname was "4D Charm Girl." The description emphasized her quirky personality and distinctive charm.

13 She debuted with EVERGLOW on March 18, 2019. The group's debut title track was "Bon Bon Chocolat."

14 Onda is commonly listed as EVERGLOW's lead dancer and vocalist. Her dancing and bright vocal tone complement the group's powerful performance style.

15 Her representative color is pink. The color was associated with Onda during EVERGLOW's original member-profile era.

16 Her representative emoji is a baby chick. Fans commonly use 🐥 when referring to Onda.

17 She believed her blood type was A for years. She later discovered that her actual blood type is B.

18 She can make a heart shape with her fingers. Her unusually flexible fingers are one of the distinctive talents mentioned in her idol profiles.

19 Onda is easily frightened. She has frequently been described as one of the EVERGLOW members who gets scared most easily.

20 She enjoys taking selfies. Her interest in photography and capturing moments is a recurring detail in her profiles.

21 She is a fan of Harry Potter. The fantasy franchise is among her reported entertainment interests.

22 She also enjoys Twilight. Her interest in the supernatural romance series is another frequently mentioned fact.

23 Her musical role models include Girls' Generation and Ariana Grande. She has particularly identified Girls' Generation's Taeyeon as an inspiration.

24 She enjoys spicy Buldak ramen. The popular Korean instant noodle brand is among her reported food preferences.

25 She dislikes cold temperatures and bitter flavors. These preferences were recorded in her earlier idol profiles.

26 She is good at viewing Magic Eye images. The optical illusions reveal hidden three-dimensional images when viewed with a particular focus.

27 She enjoys paint-by-numbers artwork. The hobby, sometimes called Pipo Painting, combines painting with numbered sections of a picture.

28 Onda launched individual social media and YouTube activities in 2024. Her personal content gave fans additional opportunities to follow her life outside EVERGLOW.

29 She continued with EVERGLOW after its 2025 lineup change. Onda joined E, Sihyeon and Aisha under CHXXTA Company.

30 She participated in EVERGLOW's 2026 comeback and RE tour. The group's March 2026 mini album CODE marked a new beginning for the four-member lineup.