One of many dedicated fan activities is hosting and attending cup sleeve events. They are often held to honor a comeback, an artist’s debut anniversary, a bias’s birthday, etc. There’s a cup sleeve event for mc Soobin :’) pic.twitter.com/mExYLG9RS1 — cyn (@jhopewlove) July 24, 2020 finally finished this year with 8 cupsleeve designs for events…