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stage name : leena ( 레나 )

birth name : moon leena ( 달레나 )

position : oldest, main vocalist, sub dancer

birthday : november sixth, 2003

zodiac sign : scorpio

height : 172 cm ( 5’8” )

weight : n/a

blood type : a

mbti type : istj

nationality : south korean

instagram : @ itsleenaa

leena facts

— her representative emoji is a jellyfish ( 🪼 )

— her representative color is blue. typically a darker blue, but any works.

— leena’s joined vixxen ent. in 2021, and became part of the vexxens a year later in 2022.

— leena debuted her acting career in 2025 with one short webdrama, and then another webdrama in the same year. excelling, many current fans talk of finding onism because of those series.

— her ideal type is “someone who can match her energy—calm when calm and excited with her . . “ ( emphasis on the non-gendered aspect of her answer ).

— she’s an only child who grew up with her mom.

stage name : rui ( 루이 )

birth name : park raeah ( 박래아 )

position : leader, man / lead rapper, face of the group

birthday : january nineteenth, 2004

zodiac sign : capricorn

height : 171 cm ( 5’7” )

weight : n/a

blood type : ab

mbti type : infj

nationality : south korean

instagram : @ birdgoesruii

rui facts

— her representative emoji is a theater mask ( 🎭 ) or sometimes a fox ( 🦊 )

— her representative color is purple. often a lavender shade.

— rui’s training period was from 2017, where she joined vixxen ent. and was finally placed into the vexxens in 2022

— cried at onism’s debut. fans reference back to that moment often to say how much she’s grown.

— spotted to have at least one pair of matching earrings with nct wish’s sakuya and riku

— known to be a giant fan of nct—an nctzen, and often posts about them.

— her meeting of said group ( nct ) went viral, fans happy to see rui interact with her idols after idolizing them for years.

— has one sibling, and older brother who’s named park dohyun. 

— is known for not being able to resist giant red buttons. one time at a fan meet, a fan brought a red button buzzer to the meet and set it in front of rui, who immediately reached out to tap it—not even knowing what it did. it’s safe to say everyone’s soul jumped out of their bodies.

— in a sense, is like a cat—with the way her eyes hone in and follow every light around, whether that’s a gleam from a phone, or an actual red light.

stage name : juni ( 주니 )

birth name : cho yojeong ( 조여정 )

position : lead dancer, center, sub vocalist

birthday : august eighteenth, 2004

zodiac sign : leo

height : 168 cm ( 5’6” )

weight : n/a

blood type : o

mbti type : enfp

nationality : south korean

instagram : @ juniyojeoni_

juni facts

— her representative emoji is a bee ( 🐝 )

— her representative color is a light pink.

— juni joined vixxen ent. in 2021, only to join the vexxens a few months later in 2022.

— yojeong grew up learning to play violin. So randomly, she’ll pick up her violin and start playing. It has been talked about in interviews before.

— she’ll randomly start blasting Billie Jean in the mornings, saying it’s the best song to get hyped up, dancing out to the kitchen in try to wake the others. though this only ever happens if she has enough energy in the mornings.

— juni’s been said to be the ‘fake maknae,’ from her looks to her personality. even to the point of her aegyo. it’s a comment she likes to take pride in. especially when introducing herself with her group. “hello! i’m juni, the ‘maknae’ of the group!”

— she started to pick up dance at a young age, watching videos of people dancing on her mother’s phone with fascination. growing up, she would frequently get walked in on trying to learn a dance or filming herself doing a dance to improve on her skills. 

stage name : yejin ( 예진 )

birth name : song hyejin ( 송혜진 )

position : maknae, lead vocalist, sub rapper

birthday : june twenty fourth, 2005

zodiac sign : cancer

height : 165 cm ( 5’5” )

weight : n/a

blood type : b

mbti type : esfp

nationality : south korean

instagram : @ songjinnie

yejin facts

— her representative emoji is a poodle ( 🐩 )

— her representative color is yellow, a soft summer pale yellow.

— yejin’s training period was from 2021 and she joined the vexxens in 2022.

— has two siblings, an older brother and an older sister who are currently unnamed.

— yejin is noted to be one of the jumpiest members of onism.

— she always talks about wanting a bird, though back home she has two cats named aegi and coco

— she had her first modeling job in early 2024, and does them occasionally nowadays.

— yejin once gave out the exact time and date for their album release of second verse on weverse live and no one believed her in the slightest.