Kai Kamal Huening, also known as Hueningkai (휴닝카이) in TOMORROW X TOGETHER, is the vocalist, dancer, visual, maknae and rapper of the group. He also has a Korean name called Jung Kai (정카이) and a Chinese name called Xiuning Kai (休宁凯). He is the youngest. He was the third member to be revealed on January 15, 2019. He is born in Hawaii, USA on August 14, 2002 (currently 18 years old). His zodiac sign is the Leo and his Chinese zodiac is the Horse. His official height is 183 cm (6’0”) and his official weight is 67 kg (148 lbs). His blood type is A. His representive emoticon is ‘🐧’. His nationality is Korean-American. His family consists of his dad, mom, an older sister (Lea), and a younger sister. He was born and lived in Hawaii, USA for a month, stopped by South Korea to meet his family, then moved to China and lived there for around 7 years. He moved to South Korea in winter when he was 8. His sister, Lea was a member of the girl group VIVA, which unfortunately disbanded. In his Questioning Film, his representive animal is a leopard gecko and his representive flower is an Icelandic poppy. The morse code on the end of his Questioning Film translates to ‘Secret’. His hobby is playing instruments. He is the first foreigner to debut under BigHit. His favorite colours are turquoise, mint, sky blue and black. His favorite singer is Bruno Mars. His favorite fruit is pineapple. His favorite animals are penguins and otters. His Spotify playlist is ‘TXT: HUENINGKAI’. His MBTI type is ENFP-T. Hueningkai calls himself the cutest member of the group. His nicknames are ‘Hyuka’, ‘NingNing’ and the ‘diamond maknae’. He loves to do aegyo and has an infectious laugh that can make other people laugh too. His favourite movies are ‘August Rush’, ‘Spiderman 1’, ‘Spiderman 2’ and ‘Spiderman 3’. He can handle any food. He loves bread, seafood and pasta. He was in South Korea for kindergarten for a short time. He can speak in Mandarin, Korean, Portuguese, and English. He studied at Yongmun Middle School and Lila Art Highschool, but has been transferred to Hanlim Multi Art School since second half of 2019. His parents are divorced and his father re-married in 2016 to someone named Anne Caroline. Kai’s father was born in Brazil and raised in the U.S. He is also Polish and Scottish from his father’s side. He and Taehyun are currently roommates.