Group Members

Zai (POLARIX) Profile, Bio, & Facts

Zai (POLARIX)

Zai (자이) is a Taiwanese singer and model under Catwalk. He is a member of the boy group POLARIX.

Zai (POLARIX) Profile

Stage Name Zai (자이)
Birth Name Chai Ju Nan (翟浚安)
Occupation Singer, Dancer, Model
Birthday June 24, 2004
Active Years 2022–present
Age 20 (in 2025)
Zodiac Sign Cancer
Height 176 cm (5’9”)
Weight 60 kg (132 lbs)
Nationality Taiwanese
Blood Type N/A
MBTI ENFP

Zai (POLARIX) Facts:

Early Life

– Zai was born in Keelung City, Taiwan.
– He attended Municipal Mingchuan Junior High School.
– He graduated from Ji Long Business & Technology Industrial Design School.

Personal Life

– His family consists of his parents and brother.
– He dreamt of ghosts and experienced sleep paralysis on his first day at Starlight Boys. (StarlightBoys)
– His company views him as a rising star and has invested heavily in his training, including lessons in English, Korean, makeup, singing, and public speaking.
– He wants to be roommates with Junhyuk because they both love cleanliness. (Polarix)
– He said singing was initially his weakest skill during auditions, and he struggled with hearing his own voice, but he overcame this fear over time.
– He would like the superpower of flying if given the choice.
– During the pandemic, he gained popularity after one of his TikToks unexpectedly reached 700,000 views.
– He said after becoming famous, he noticed his teachers giving him extra attention and support.
– He used to perform busking and would have many fans attend his performances.
 – He would compare himself to a dog among all animals.
– He would describe his character in the word ‘cheerful’.
– He broke his nose in 2023 around new year.
– He has 15 years of dance experience across various styles, including hip-hop, urban dance, and K-Pop.
– He is friends with Boys Planet contestants Chen Renyou and Qiu Shengyang, as well as Ozone members Lin Jiachen and Li Zheyan.
 – He finds “princess syndrome” and overly clingy behavior the least appealing traits in a girl.

Career

– Zai ranked 7th place in “Starlight Boys” with 562,335 votes and became a member of POLARIX.
– He has collaborated with several brands, including Samsung, Jo Malone, and Sony.
– He began his professional dancing career around 2022.
– He has worked as a backup dancer for several artists, including C.Y, ØZI, Ozone, Jiuze CP, Wu Zhuoyuan, and AcQUA.
– In 2016, he appeared as a guest on the show “Super Entourage”. 

SOCIAL MEDIA HANDLES
Instagram:  polarix_zai
Weibo: @StarlightBoys-翟浚安
Tiktok: @junan.di
Douyin:
Xiaohongshu:

Zai (POLARIX) Poll:

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Note: Learn more fun facts about him on POLARIX members profile! 

Also, how did you get to know Zai? Mention in the comments section and share more facts with us if you know! 

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WRITTEN BY

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! ^^