TO1TO1 TO1 TO1 (; formerly known as TOO) (stylized in all caps) is a South Korean boy band formed by Mnet's 2019 reality show "To Be World Klass". The group debuted on April 1, 2020, with their first mini album "Reason For Being: Benevolence" with "Magnolia" serving as the title track. Member Chihoon left the group on April 30, 2022. History. 2020: Debut and "Road to Kingdom". On March 20, it was announced that the group will join Mnet's reality television competition "Road to Kingdom". They were the second group eliminated in the seventh episode. The group debuted with their  first mini album "Reason For Being: Benevolence" on April 1, with the title track "Magnolia". On July 15, the group released their second mini album "Running TOOgether", with the title track "Count 1, 2." On August 13, at the 2020 Soribada Awards, TOO won the "New Artist Award", their first rookie award since debut. 2021: Reformation, "Re:Born", and "Re:Alize". On January 13, CJ ENM and n.CH Entertainment were involved in management disputes, where CJ ENM reportedly terminated their management contract with n.CH Entertainment. One day later, n.CH Entertainment responded to the disputes by stating that  their contract was not formally signed for months, and that no expenses were paid since August 2020. It was announced on March 28 that the group had changed its name from TOO to TO1. TO1 made their re-debut with their first EP "Re:Born" on May 20, with the title track "Son of Beast". The group will be managed under CJ ENM's music label, Wake One Entertainment. On November 4, TO1 released their second EP "Re:Alize", with the title track "No More X". On December 28, Wake One announced that Woonggi would be taking a break from  the group due to an anxiety disorder, and thus TO1 would temporarily continue with the remaining members. 2022: Chihoon's departure. On April 30, Wake One Entertainment released an official statement via TO1's fan cafe, announcing member Chihoon's departure from the group. Former TO1 TO1 (; formerly known as TOO) (stylized in all caps) is a South Korean boy band formed by Mnet's 2019 reality show "To Be World Klass". The group debuted on April 1, 2020, with their first mini album "Reason For Being: Benevolence" with "Magnolia" serving as the title track. Member Chihoon left the group