OUIBOYS Members Profile and Facts

OUIBOYS (위보이즈/ Temporary Name) is an 8-member South Korean pre-debut boy group under OUI Entertainment. The group consists of Seungjun, Anji, Eito, Sihwan, Joungjae, Minseo, Seungwoo, and Masayoshi. They are set to debut in 2026, with their debut activities scheduled to proceed as a 7-member group, excluding Anji, due to his back injury. Anji is currently focusing on treatment and recovery.

Group Name Meaning: N/A
Official Greeting: N/A

OUIBOYS Official Fandom Name: N/A
Fandom Name Meaning: N/A
OUIBOYS Official Color: N/A

OUIBOYS Official Logo:

Official SNS:
Instagram: @ouiboysofficial
X: @ouiboysofficial
Facebook: @ouiboys0fficial
TikTok: @ouiboysofficial
YouTube: @ouiboysofficial

OUIBOYS Member Profiles:
Seungjun

Stage Name: Seungjun (승준)
Birth Name: Cheon Seung Jun (천승준)
Position(s): N/A
Birthday: 2006
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean

Seungjun Facts:
– He was born in Okcheon-gun, Chungcheong province, South Korea
– A song he recommends is ‘OVERDRIVE’ by WEi.
– He passed the audition for OUI Entertainment on April 4, 2024.
– He attended THE Dance Vocal Academy.

Anji

Stage Name: Anji (안지)
Birth Name: Shizu’ Anji (シズアンジ)
Position(s): N/A
Birthday: 2006
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese

Anji Facts:
– On October 21, 2026, OUI Entertainment announced that Anji would sit out OUIBOYS’ debut activities due to a back injury. He is currently focusing on treatment and recovery, and the company will continue to support him until he is healthy enough to return.
– He attended SS Vocal Academy.
– He likes martial arts.

Eito

Stage Name: Eito (에이토)
Birth Name: N/A
Position(s): N/A
Birthday: 2008
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese

Eito Facts:
– He was born in Tsuruga, Fukui Prefecture, Japan.
– He was cast by Gori Agency.
– His favorite food is Yoropakken, also known as sauce katsudon.

Sihwan

Stage Name: Sihwan (시환)
Birth Name: Kim Si Hwan (김시환)
Position(s): N/A
Birthday: 2008
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
TikTok: @08_sihwan

Sihwan Facts:
– Prior to becoming a trainee, he used to upload videos on TikTok, reaching around 270,000 followers and 7.7 million likes.
– His favorite food is tteokbokki.

Joungjae

Stage Name: Joungjae (정재)
Birth Name: Oh Joung Jae (오정재)
Position(s): N/A
Birthday: August 27, 2009
Zodiac Sign: Virgo
Chinese Zodiac Sign: Ox
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean

Jungjae Facts:
– Education: Hanlim Multi Art School (Department of Applied Music).
– He and Kim Gyurae from Fantasy Boys are classmates.

Minseo

Stage Name: Minseo (민서)
Birth Name: Jo Min Seo (조민서)
Position(s): 2009
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: INTP
Nationality: Korean

Minseo Facts:
– He’s a former member of 00d00m00y (2024) under the stage name M.
– He attended ModernK Music Academy.
– He can play the guitar.
– One dessert he really likes is sweet red bean cream bread.
– Fall is his favorite season.
– He is a former IST Entertainment trainee.
– He would like to dye his hair pink in the future.
– Cats are his favorite animals.
– His favorite member of THE BOYZ is Sunwoo.
– Minseo thinks cereal should be poured before milk.
– A song he recommends is ‘There’s Nothing Holdin’ Me Back’ by Shawn Mendes.
– His favorite songs is “The Lazy Song” by Bruno Mars.
– Blue is his favorite color.
– He likes to drink fresh fruit juice.
– His favorite foods is chicken ribs.

Seungwoo

Stage Name: Seungwoo (승우)
Birth Name: Lee Seung Woo (이승우)
Position(s): N/A
Birthday: November 17, 2009
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Ox
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENFP
Nationality: Korean

Seungwoo Facts:
– He is a former child actor.
– He appeared on the first episode of the show Wanna One Go: ZERO BASE as part of the “Little Wanna One” auditions.
– Education: Shinhwa Elementary School.
– Seungwoo began his acting career in 2013.

Masayoshi

Stage Name: Masayoshi (마사요시)
Birth Name: Akiyama Masayoshi (アキヤマ マサヨシ)
Position(s): Maknae
Birthday: 2009
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENFP
Nationality: Japanese

Masayoshi Facts:
– His favorite food is dak-galbi.
– Masayoshi is a graduate of YKA Yokohama Main School’s 10th class (first semester).
– His nickanmes are “Masa” and “Baby penguin Masa”.
– His specialty is dancing.

Note 1: Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the author put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot!  – Kprofiles.com

Note 2: Jo Minseo’s MBTI type was confirmed during a Q&A he held as a member of 00d00m00y, while Lee Seungwoo’s and Masayoshi’s were confirmed by themselves during the group’s first public appearance on February 24, 2026 (Links: Lee Seungwoo, Masayoshi).

Made by: “felipe grin§”
(Special thanks to: doioae, jungjaeoh09, nzzmno, woxihuan2i, c09kie, nnoouuiinn, kim <3)

Who is your OUIBOYS bias? Do you know more facts about them? Feel free to comment below.