26 Years Old
Mizuguchi Yuto, better known by his stage name U, is the vocalist and dancer of the boy group ONF. He was a JYP Entertainment trainee. He participated in MIXNINE and came in 23rd place, hence eliminated.
Osaka, Japan on 16th March 1999
![ONF [FOCUS ON AND OFF] Image](https://www.themoviedb.org/t/p/w220_and_h330_face//Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2 Image](https://www.themoviedb.org/t/p/w220_and_h330_face//whume1STRxwi0EVBYU8ZMk669nG.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2 Image](https://www.themoviedb.org/t/p/w220_and_h330_face//6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE] Image](https://www.themoviedb.org/t/p/w220_and_h330_face//4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1 Image](https://www.themoviedb.org/t/p/w220_and_h330_face//zyN3yVwFR1NoZGgxd77aZ4etce7.jpg)
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH] Image](https://www.themoviedb.org/t/p/w220_and_h330_face//pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)