WM Entertainment

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U is a member of the K-pop boy band ONF.

U (ONF) Profile

Name유 | U
Full Name미즈구치 유토 | 水口裕斗 | Mizuguchi Yuto
Date of BirthMarch 16, 1999 (age 24)
HometownOsaka Prefecture, Japan
Height170cm | 5′-07″
Shoe Size255mm
Blood TypeAB
Zodiac SignPisces
DebutONF | August 3, 2017
+2309 Days Since Debut
Sub-UnitOFF Team
PositionONF: Main Dancer, Sub Vocalist
Years Active2017 – present
LabelWM Entertainment


  • Mother
  • Father
  • Older Brother
    • Born: 1997
  • Younger Brother

U (ONF) Facts

U became the first foreign artist of WM Entertainment.
He took dance classes at EXPG STUDIO in Osaka.
He moved from Japan to Korea on January 8, 2014.
WM Entertainment Audition Song: Ed Sheeran – Thinking Out Loud
He became a WM Entertainment trainee on April 25, 2016 and made his debut as a member of ONF on August 3, 2017.
He is a former JYP Entertainment trainee.
Pre-show Ritual: tying shoelaces
Nickname: Kim Yuto
If U had not made it as a member of ONF, he would have been a dance instructor or a choreographer.
He finished twenty-third in the reality competition show MIXNINE.
He is a former Be Mbitious contestant.


  • Color
    • blue
  • Season of the Year
    • fall

Categories: K-pop Idols Born in 1999 | K-pop Idols Born in March | K-pop Idols From Japan | Pisces K-pop Idols | K-pop Boy Band Maknaes

References: Melon TMI Battle, 09272017 MBN, 10292019 MK Sports