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.
![ONF [FOCUS ON AND OFF]](https://image.tmdb.org/t/p/w300_and_h450_bestv2/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
