it's pretty obvi all three dudes (VX, hyung, and the masked coder) are the same person. What I'm assuming happened is that VX searched for our mc and approached him irl. He then approached him w another identity online cuz he knows if he were to appear as VX then the mc would run away again
IM GOING INSANE ON THE BUILT UP TENSION THEYVE ACCUMULATED TILL NOW BCZ THEYVE BEEN TEASING EACH OTHER AND US FOR SO LONG NOW