Hueningkai

Who Is Hueningkai?

Hueningkai, born Kai Kamal Huening, is a South Korean-American singer-songwriter and producer and the youngest member (maknae) of the fourth-generation K-pop boy group TOMORROW X TOGETHER (TXT). Born on August 14, 2002, in Honolulu, Hawaii, Hueningkai was introduced as TXT’s third member on January 15, 2019, and officially debuted with the group on March 4, 2019, with the EP The Dream Chapter: Star.

Early Life and Multicultural Background

Hueningkai comes from a multicultural household, with a Korean mother and a German-American father. Though born in Hawaii, he spent roughly seven years of his childhood in Beijing, China, before his family relocated to South Korea, where he attended Hanlim Multi Art School. His older sister Lea and younger sister Bahiyyih are both K-pop artists in their own right, making the Huening siblings one of the industry’s most recognized idol families.

Career With TXT

As TXT’s main vocal-dance all-rounder, Hueningkai is known for his versatility, powerful vocal range, and ability to adapt to concepts ranging from cute to cool. He made history as the youngest artist registered with the Korea Music Copyright Association (KOMCA) after co-writing “Roller Coaster” for TXT’s first studio album, The Dream Chapter: Magic (2019). Since then, he has amassed songwriting and production credits on more than 20 tracks, including “Dear Sputnik” from The Chaos Chapter: Fight or Escape (2021).

Solo Activities and Media Presence

Hueningkai has built an active presence beyond TXT’s group promotions. He co-hosted the EBS radio program Listen with fellow member Taehyun in 2021, and in 2024 he starred in the music variety series HueningKai Wants to Start a Band. He has also released collaborative OST singles with Taehyun, including “Can’t Stop” and “Surfing in the Moonlight,” and has become a sought-after fashion figure, appearing on the covers of Nylon Japan, Maps Korea, and GQ Korea.

Personality and Public Image

Known to fans as “Hyuka” or “Ningning,” Hueningkai has a playful, affectionate personality balanced by a growing seriousness about his craft as a songwriter and producer. He is fluent in Korean and English, with working knowledge of Chinese, and is admired for his close bond with his TXT bandmates and his supportive relationship with his siblings, whom he frequently cheers on at Seoul Fashion Week and photoshoots.

Legacy

As TXT’s charismatic maknae, Hueningkai has played a central role in the group’s rise as one of K-pop’s leading fourth-generation acts, contributing his voice, songwriting, and infectious energy to a catalog that has topped charts worldwide and carried TXT to milestones like headlining Lollapalooza and selling out Madison Square Garden.