I.O.I has announced the group’s official fan club name! On April 13, I.O.I announced their official fan club name to be “Angdungi” (romanized name), a name reminiscent of what I.O.I called their fans 10 years ago. It will be a name to refer to fans who waited for I.O.I despite the passage of time. I.O.I… The post appeared first on .