K-pop Boy Groups

TFN Members Profile: Full Names, Ages, Heights, Weights and More

June 27, 2026 | By Kris Lodhi

TFN members are Noa, Sian, Kevin, Gunwoo, Leo, On, Zero, Kairi, and Kio.

Origin	Seoul, South Korea
Debut	January 11, 2021
Disbanded	February 29, 2024
Number of Members	9
Members	Noa Sian Kevin Gunwoo Leo On Zero Kairi Kio
Oldest Member	Noa
Youngest Member (Maknae)	Kio

TFN Former Members Profile

Noa

TFN member Noa

Full Name	Choi Yu Bin
Birthday	August 02, 2000
Birthplace	Seoul, South Korea
Age	25 years and 10 months old
Height	5 feet 9 inches (176 cm)
Weight	141 lbs (64 kg)
Zodiac Sign	Leo
Chinese Zodiac Sign	Dragon
Blood Type	O
MBTI	ENFP
Position	Leader, Main Rapper, Main Dancer
Instagram	@yoobeen-choi

Sian

TFN member Sian

Full Name	Choi Chang Min
Birthday	February 02, 2001
Birthplace	Seoul, South Korea
Age	25 years and 4 months old
Height	5 feet 11 inches (181 cm)
Weight	143 lbs (65 kg)
Zodiac Sign	Aquarius
Chinese Zodiac Sign	Snake
Blood Type	O
MBTI	INFJ-T
Education	Hanlim Multi Art School
Position	Main Vocalist
Instagram	@siaaaaan_choi

Kevin

TFN member Kevin

Full Name	Baek Seung Bin
Birthday	April 08, 2001
Birthplace	Seoul, South Korea
Age	25 years and 2 months old
Height	5 feet 10.5 inches (179 cm)
Weight	130 lbs (59 kg)
Zodiac Sign	Aries
Chinese Zodiac Sign	Snake
Blood Type	AB
MBTI	ENTJ
Education	Hanlim Multi Art School
Position	Main Vocalist
Instagram	@_zpqls

Gunwoo

TFN member Gunwoo

Full Name	Kim Gun Woo
Birthday	May 28, 2002
Birthplace	Seongnam, Gyeonggi Province, South Korea
Age	24 years old
Height	5 feet 9 inches (176 cm)
Weight	141 lbs (64 kg)
Zodiac Sign	Gemini
Chinese Zodiac Sign	Horse
Blood Type	A
MBTI	ENTJ
Position	Main Dancer, Rapper, Center
Instagram	@gunwoo_t28

Leo

TFN member Leo

Full Name	Hayase Reo
Birthday	October 08, 2002
Birthplace	Osaka, Japan
Age	23 years and 8 months old
Height	5 feet 11 inches (180 cm)
Weight	137 lbs (62 kg)
Zodiac Sign	Libra
Chinese Zodiac Sign	Horse
Blood Type	A
MBTI	ENFP
Position	Rapper
Instagram	@10_leooo_08

On

TFN member On

Full Name	Choi Ju Hwan
Birthday	October 16, 2002
Birthplace	Paju, Gyeonggi Province, South Korea
Age	23 years and 8 months old
Height	5 feet 10 inches (178 cm)
Weight	130 lbs (59 kg)
Zodiac Sign	Libra
Chinese Zodiac Sign	Horse
Blood Type	A
MBTI	ISFP
Position	Rapper, Vocalist, Visual, Face Of The Group
Instagram	@choiononon_

Zero

TFN member Zero

Full Name	Nasukawa Shota
Birthday	January 20, 2003
Birthplace	Osaka, Japan
Age	23 years and 5 months old
Height	5 feet 10 inches (178 cm)
Weight	139 lbs (63 kg)
Zodiac Sign	Aquarius
Chinese Zodiac Sign	Goat
Blood Type	A
MBTI	ESFJ
Position	Vocalist, Rapper, Dancer, Visual
Instagram	@ze.ro0120

Kairi

TFN member Kairi

Full Name	Imai Kairi
Birthday	February 24, 2003
Birthplace	Osaka, Japan
Age	23 years and 4 months old
Height	5 feet 7 inches (170 cm)
Weight	121 lbs (55 kg)
Zodiac Sign	Pisces
Chinese Zodiac Sign	Goat
Blood Type	A
MBTI	INFJ-T/INFJ-A
Position	Vocalist, Dancer
Instagram	@kai_02tym

Kio

TFN member Kio

Full Name	Udō Musashi
Birthday	November 25, 2004
Birthplace	Saitama Prefecture, Japan
Age	21 years and 7 months old
Height	N/A
Zodiac Sign	Sagittarius
Chinese Zodiac Sign	Monkey
Blood Type	A
MBTI	ENFP
Position	Rapper, Vocalist, Maknae
Instagram	@imk_io

Member Ages: Oldest to Youngest

Member	Birthday	Age
Noa	August 02, 2000	25 years, 10 months, 25 days old
Sian	February 02, 2001	25 years, 4 months, 25 days old
Kevin	April 08, 2001	25 years, 2 months, 19 days old
Gunwoo	May 28, 2002	24 years, 30 days old
Leo	October 08, 2002	23 years, 8 months, 19 days old
On	October 16, 2002	23 years, 8 months, 11 days old
Zero	January 20, 2003	23 years, 5 months, 7 days old
Kairi	February 24, 2003	23 years, 4 months, 3 days old
Kio	November 25, 2004	21 years, 7 months, 2 days old

FAQs

How many members are in TFN?

TFN is a 9-member K-pop boy group. The group consists of Noa, Sian, Kevin, Gunwoo, Leo, On, Zero, Kairi, and Kio.

When did TFN debut?

TFN debuted on January 11, 2021, with their single album BEFORE SUNRISE Part. 1.