![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](https://image.tmdb.org/t/p/original/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
[Reverse] is the first concert held by ONF. It was held across four days from December 9-12, 2021, at Yes24 Live Hall in Seoul, South Korea.
Shim Jae Young, better known by his stage name Wyatt, is the rapper and dancer of the boy group ONF. He used to live in Kazakhstan. He participated in MIXNINE and came in 13th place, hence eliminated.