K-pop Boy Groups

1/N Members Profile: Full Names, Ages, Heights, Weights and More

June 24, 2026 | By Kris Lodhi

1/N members are Sungkyu, Hoon, Yehyun, Myoungsoo, and Soonwoo.

Origin	Seoul, South Korea
Debut	June 2, 2017
Number of Members	5
Members	Sungkyu Hoon Yehyun Myoungsoo Soonwoo

1/N Members Profile

Sungkyu

1/N member Sungkyu

Full Name	Shin Sungkyu
Birthday	February 21, 1991
Birthplace	N/A
Age	35 years and 4 months old
Height	N/A
Weight	N/A
Zodiac Sign	N/A
Blood Type	N/A
MBTI	N/A
Position	Vocal, Guitar & Piano
Instagram	ssungq_ovrn

Hoon

1/N member Hoon

Full Name	Choi Hoon
Birthday	N/A
Birthplace	N/A
Age	N/A
Height	N/A
Weight	N/A
Zodiac Sign	N/A
Blood Type	N/A
MBTI	N/A
Position	1st Guitarist
Instagram	choibob_ovrn

Yehyun

1/N member Yehyun

Full Name	Kim Yehyun
Birthday	N/A
Birthplace	N/A
Age	N/A
Height	N/A
Weight	N/A
Zodiac Sign	N/A
Blood Type	N/A
MBTI	N/A
Position	2nd Guitarist
Instagram	k.yehyun_ovrn

Myoungsoo

1/N member Myoungsoo

Full Name	Kim Myung Soo
Birthday	N/A
Birthplace	N/A
Age	N/A
Height	N/A
Weight	N/A
Zodiac Sign	N/A
Blood Type	N/A
MBTI	N/A
Position	Bassist

Soonwoo

1/N member Soonwoo

Full Name	So Soon Woo
Birthday	N/A
Birthplace	N/A
Age	N/A
Height	N/A
Weight	N/A
Zodiac Sign	N/A
Blood Type	N/A
MBTI	N/A
Position	Drummer
Instagram	sosoonw

FAQs

How many members are in 1/N?

1/N is a 5-member K-pop boy group. The group consists of Sungkyu, Hoon, Yehyun, Myoungsoo, and Soonwoo.

When did 1/N debut?

1/N debuted on June 2, 2017.