TO1 (TOgether as 1) (티오원), formerly known as TOO (Ten Oriented Orchestra) (티오오) is a 10-members boy group under WAKE ONE Entertainment created from the survival show WORLD KLASS. The group consists of: Jaeyun, Chihoon, Donggeon, Chan, Jisu, Minsu, J.You, Kyungho, Jerome, and Woonggi. They debuted under n.CH Entertainment and Stone Music Entertainment on April 1st, 2020 with the 1st mini album ‘REASON FOR BEING: 仁 (Benevolence)‘. They announced that they changed their name to TO1 on March 28, 2021 at KCON:TACT 3.

With great honor, I present
@Chihown, @Dongpgeon, @Chanhyux @Chanphyuk @Jochanhyukp @qJochanhyuk, @Kymminsu, @Jeywou, @Kyungpho, @Woonkgi.