Izone (stylized as IZ*ONE) debuted on October 29, 2018, with their debut EP Color*Iz and a special concert called Color*Iz Show-Con. The event took place at the Seoul Olympic Hall at 8 p.m. and was broadcast on various Youtube channels (Mnet K-Pop, Mnet Official, m2) and Facebook pages (IZ*ONE, Mnet, Stone Music Entertainment , produce48, mnet mcountdown, m2). During the concerts, fans had the opportunity to purchase some of the official IZ*ONE merchandise.