Off The Cuff Members Profile: Off The Cuff Facts and Ideal Types Off the Cuff (OTC) was a pre-debut South Korean boy group under Purple Entertainment, which consisted of five members: Peter, Insoo, Leo, Rowoon and Yoo One. They were originally a project group created by a YouTuber Big Marvel, consisting of 9 models, YouTubers, Instagram … Continue reading Off The Cuff Members Profile