Setsuna (세츠나) was a Korean-Japanese singer, rapper and idol under XNXA Label, who is the member of UNIVERSE12, a graduation member of XNXA Rookie Team and a former contestant in Girls Galaxy Project. She was the lead dancer, lead vocalist and sub-rapper of UNIVERSE12.
On April 1, 2025, it was announced Setsuna had joined LoveRail Entertainment as a trainee.
On May 3, 2025, posters all around Asia and Europe has been spotted, revealing what's speculated to be LoveRail Entertainment's first group to ever be planned to debut, and its group name, CHRYSTALLIZE. The posters follow a storyline, centered around the conceptual art project and hoax 'This Man'. The poster had a photo of five girls, who are speculated to be LoveRail Entertainment trainees, including what is believed to be Setsuna.
On May 9, 2025, the fifth and final member of CHRYSTALLIZE was revealed to be Setsuna, marking her official reveal into the group.
Career[]
Pre-debut; XNXA Rookie Team and Girls Galaxy Project[]
Sohyun joined XNXA Label on June 13, 2019 along with fellow members Flora, Rosa and Chaeyoung. They were revealed through the dance cover of BLACKPINK's Ddu-Du Ddu-Du. On August 21, the agency annouced that the trainees were revealed as the next contestants of the survival show Girls Galaxy Project. Sohyun (the youngest one) was eliminated in Episode 4 ranking 33th place, while the other ones were eliminated a few weeks later (on Episodes 9 and 11). Luckily, COLOUR CANDY's (pre-debut UNIVERSE12) members remained under XNXA Label. After adding more members, the crew remained it's name to the current one.
2021-2024: Debut with UNIVERSE12[]
On February 21, 2021, Sohyun was revealed as the 3rd member of UNIVERSE12. The group debuted on March 16 with mini album "U:Special".
2025-present: Joining LoveRail Entertainment & CHRYSTALLIZE[]
On April 1, 2025, it was announced Setsuna had joined LoveRail Entertainment as a trainee.
On May 3, 2025, posters all around Asia and Europe has been spotted, revealing what's speculated to be LoveRail Entertainment's first group to ever be planned to debut, and its group name, CHRYSTALLIZE. The posters follow a storyline, centered around the conceptual art project and hoax 'This Man'. The poster had a photo of five girls, who are speculated to be LoveRail Entertainment trainees, including what is believed to be Setsuna.
On May 4, 2025, a logo reveal was released on CHRYSTALLIZE's social media announcing their name and logo. They were revealed to be a group debuting soon. The post was reposted by LoveRail Entertainment, confirming they are LoveRail Entertainment's up-coming first girl group ever.
On May 9, 2025, the fifth and final member of CHRYSTALLIZE was revealed to be Setsuna, marking her official reveal into the group. On the same day, after the reveal of Setsuna as the last member, CHRYSTALLIZE released the debut trailer named 'The Reveal', revealing the concept name of the debut reveal content, 'The Reveal'. It was also revealed their debut will be on May 22, 2025.
Filmography[]
Television Series[]
- Girls Galaxy Project (Mnet; 2020) - contestant
MV Appearences[]
- EIGHTEEN - "Change My Mind" (2020)
- EIGHTEEN - "Boys On Top (JP Version) (2021)
- XNXA Rookie Team ft. EIGHTEEN - "Cool Generation" (2021)
Trivia[]
- She was speculated to be one of five members of LoveRail Entertainment's new girl group, CHRYSTALLIZE.[1]
- On May 9, 2025, the fifth and final member of CHRYSTALLIZE was revealed to be Setsuna.
- She is 3/4 Korean and 1/4 Japanese (her mother is Korean, while her father is Korean-Japanese).
- Setsuna was born in Korea, but she lived aboard for 2 years.
- Setsuna speaks fluently in Korean, Japanese and Mandarin, but she has problems with English.
- Setsuna's roommates were Flora, Rosa and Chaeyoung when she was in UNIVERSE12.
- She was the only Protestant member of UNIVERSE12.
- Setsuna is the only member of UNIVERSE12 who appeared in more than 2 MVs.
- Setsuna is one of the all-rounders of UNIVERSE12.
- Her older sister is Sobyul of MONTHLY.
- She started dancing when she was in the first grade.
- Her nicknames in UNIVERSE12 are: Fake Maknae (because she acts like the Maknae Liners), False Leader (due to her behaviour like leader) and Queen of Sport (Setsuna can play many sport games like football, hockey and volleyball).
Gallery[]
 On the hunt? To view the Setsuna gallery, click here!
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References[]
- ↑ CHRYSTALLIZE's Wiki page.
[]
| CHRYSTALLIZE | ||
|---|---|---|
| Members | ||
| Celesté • Emma • Suyeong • Cindy • Setsuna | ||
| Discography | ||
| Korean | Mini albums | John Doe |
| OSTs | "Way To Go! (힘내!; Himnae!)" | |
| Performances | ||
| Performances & Tours | Showcases | CHRYSTALLIZE Debut Showcase |
| Related topics | ||
| LoveRail Entertainment • KATY | ||
| Official links | ||
| Website • Website Japan • Facebook • Instagram • Instagram Japan • X Korea • X Japan • TikTok • TikTok Japan • YouTube • YouTube Japan • Fancafe | ||