Group Members

Kazuha (LE SSERAFIM) Profile, Bio, & Facts

Kazuha Le Sserafim

Kazuha (카즈하) is a Japanese singer, rapper, ballerina, and a member of the girl group LE SSERAFIM under HYBE and Source Music.

Kazuha (LE SSERAFIM) Profile

Stage NameKazuha (카즈하)
Birth NameNakamura Kazuha (中村 一葉)
OccupationSinger, Rapper, Songwriter, Ballerina
BirthdayAugust 9, 2003
Active Years2022–Present
Age20 (in 2024)
Zodiac SignLeo
Height170 cm (5’7”)
Blood TypeN/A

Kazuha (LE SSERAFIM) Facts:

Early Life

– Kazuha was born in Kochi but lived in Osaka from childhood to mid-teens. (ages 2 to 16).
– She has been learning ballet since the age of 3.
– She attended the ballet schools, Hashimoto Sachiyo Ballet School (Osaka), Bolshoi Academy (Moscow), and Royal Ballet School (London).
– She dropped out of the Dutch National Ballet Academy.

Personal Life

– Kazuha is an only child and doesn’t have any siblings.
– She moved to Korea in January 2022.
– Her father likes music and was in a band before, and her mother also had experience learning dance while working in the dance club during her school days.
– Her parents initially hesitated to let her become an idol and thought it was a fraud, but they were soon convinced and thought it was the best thing for her.
– She mainly speaks the Hata-ben dialect when speaking Japanese but also mixes in some Kansai-ben.
– She used to eat croissants every day during her study abroad. (Marie Claire Korea)
– Some of her hobbies include watching YouTube videos and internet shopping.
– She said she is very interested in blending ballet and K-Pop choreography in a cool way and wants to see such a fusion-style stage.
– She sometimes gets impatient when playing games.
– She auditioned with BTS’s “Dynamite” choreography and ballet video.
– She learned how to read Korean before speaking.
– She said that her personality is “cool style.”
– Her eyesight is sharp and only wears contact lenses for aesthetic reasons.
– Her representative emoticon is 🦢 (swan).
– She attended BLACKPINK’s concert when she was still in Osaka.
Eunchae said that Kazuha is considerate of others and puts others before herself.
– She revealed on a radio show that she still dreams in Japanese.
– She tends to ghost the most in the groupchat. (BuzzFeed Celeb)
– She used to turn on Korean and Japanese subtitles while watching Netflix to improve her Korean skills and says she is more comfortable talking in Korean than in English.
– Her most notable development has been how much her Korean has advanced. (Billboard)
– She started living by the motto, “Enjoying the moment is winning.” (Ray)
– She’s a fan of Gen Hoshino and dreams of collaborating with him someday.
– Her favorite LE SSERAFIM song is “Good Parts (when the quality is bad but I am).”
– She put “eat 20 fried chicken pieces” and “eat 20 cheese balls ” on her bucket list.
– Since middle school, she has been compiling a bucket list and many of the items have materialized. (Ray)
– She met her members for the first time through FaceTime.
– She is a clockwise spinner in ballet even though she is left-handed.
– She prefers crop tops over corset-tops. (Cosmopolitan)
– Her symbol color is sapphire blue.
– She revealed that her Korean teacher always had a parrot on her shoulder while teaching.
– She workouts hard whenever she has time and regrets losing her ballet-trained muscles.
– Kazuha makes a weird smiley face when she’s tired. (엘르 코리아_ELLE KOREA)
Sakura said that her favorite member is Kazuha, as she is pretty and dances like a swan.
– When she was studying in the Netherlands, her roommate was Korean, and she used to make and eat Korean food and tteokbokki and watch Korean dramas with her.
– She is scared of bugs. (Anan Interview)
– She revealed that she felt the charm of K-Pop when she saw BLACKPINK’s “Boombaya” on Youtube and felt shocked.
– She revealed that her eyesight is growing weaker.
– Kang Juha is her Korean name.
– She is close with Sakura and said she helped her adjust to her new environment a lot.
– She can speak Japanese, Korean, and English.
– She believes that laughing and chatting with the members on a daily basis helped her korean. (billboard)
– In a vlog, it was seen that she possesses more than 10 muscle conditioning products.


– She is the sub-vocalist, rapper, and dancer in the group “LE SSERAFIM.”
– Kazuha was revealed as the fifth member of LE SSERAFIM.
– She applied for the audition with Source Music when she was studying in the Netherlands and was scouted by the company’s CEO.
– She has a training period of six months, including two months of brief training in the Netherlands.
– She took Korean classes through Zoom for 2 months before coming to Korea and Source Music’s vocal & dance trainer flew to the Netherlands and taught Kazuha the choreography, singing, and rapping of her debut song while living there.
– She appeared as a guest in the BAYFM78 radio program “Tonight, Under the Sakura Tree” in 2022 and 2023.
– In February, Kazuha was a guest on the Japanese radio program “All Night Nippon X” with other LE SSERAFIM members.
– She has also appeared on the YouTube channels “LADOR,” “MUSINSA,” “OK Beauty,” “Marie Claire,” and “ELLE.”
– She participated in the song “Fearnot (피어나) (Between you, me & the lamppost)” as a lyricist and composer.
– She has appeared in many commercials, including Etude, LADOR, and Calvin Klein.
– In 2022, she became the main model for “ETUDE,” and in 2023, she became the muse for the hair brand “LADOR.”
– Kazuha has been featured in several magazines, including “ELLE,” “Marie Clarie,” “SPUR Japan,” and “BAZAAR.”

Professional Ballet Career

– She studied ballet for 15 years and is said to have taken the most elite courses in ballet after the singer Stephanie.
– She has won and was placed first in many famous ballet competitions from 2015-2019.
– From 2018 to 2019, she performed internationally in Europe, including Finland, Poland, and Ireland.
– She lived in Amsterdam from 2020 to 2021 to pursue a degree at the Dutch National Ballet Academy in the Netherlands.
– On August 6, 2021, she performed her last ballet in Japan.

Her Unique Traits In LE SSERAFIM

– She has the most upright posture among her members.
– She is considered an all-rounder in the group.
– She is known as the “LE SSERAFIM’s Swan.”
– She is in charge of the innocent visuals in LE SSERAFIM.
– She has the shortest training period among the members.
– She lasts the longest in planks among LE SSERAFIM members.
– She has the largest hands in the group.
– Kazuha is the only member in LE SSERAFIM who has experience in horse riding.

Likes & Dislikes

– She likes to stretch frequently to stay flexible.
– She loves the Japanese YouTuber “Kemio” and also bought one of his books.
– Her favorite subject was history in school because she liked the teacher, her style, and her pretty handwriting.
– Her favorite word is “Komorebi,” which means “sunlight filtering through the leaves of the trees.
– She has a cool style and likes to wear something neat over flashy clothes.
– Her favorite Korean word is “I love you” because she is more comfortable using it than in Japanese.
– Kazuha is a huge fan of BLACKPINK, and her favorite member is Jisoo.
– Her favorite color is green.
– She loves BTS, particularly Jimin’s dancing.
– Among all ballet variations, her favorite is Esmeralda, and practiced hard and won many awards for it.
– She likes to wear jeans.
– She likes to smile and laugh a lot.

Food Preferences

– Kazuha prefers salad over rice.
– She has had sweet and sour pork only once.
– She doesn’t like mint chocolate but can eat cold mint chocolate.
– She likes to eat dried mangoes with yogurt, and her recipe became popular with her fans.
– Her favorite food is sashimi. (Numero Tokyo Interview)
– She prefers to eat breakfast than sleep late in the morning.
– She likes to mix all the sauces before eating salad or similar foods.
– She loves Hawaiian pizza and is the only member of the group to like it.
– She likes Prinkle chicken and cheese balls.
– She is not a picky eater.
– She loves to eat yogurt.

Appearance & Nicknames

– After her debut showcase, her visuals became popular in the domestic and international pop community.
– She is nicknamed “protein ultra-high content tofu” because she is very muscular despite her innocent visuals.
– Her popular nickname is “Swan”.
– Fans think she resembles Bae Suzy, Kim Goeun, Lee Hojung, and Esom.
– Her nicknames are “Ha-chan,” “Zha,” “Kang Joo-ha,” “Seonmukkun,” “Moomin,” “Soft Tofu,” and “Eonamka.”


– She once did 82 sit-ups in 2 minutes during a show.
– She appeared in the weekly idol and succeeded in limbo 45 cm with a leg split, which is the highest record in the show’s history.
– She often gets lost and lacks a sense of direction.
– She is good at planks.
– Kazuha is skilled in the ballet variation Esmeralda.
– Despite her ballet career, she is highly praised for her ability to quickly adapt to the choreographies in the group.

Social Media Handles
Instagram: k_a_z_u_h_a__

Streaming Platform Links
Genie | Bugs | Melon

Kazuha (LE SSERAFIM) Photos

NOTE: How did you get to know Kazuha? Mention your story in the comments section and also share more facts with us if you know!

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Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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