Its KiBum brith day but still no sign of Him...!!

in recent weeks kibum of the Super Junior Still missing in action..!! The SM Stated that kibum is pursuing his acting career but why other kpop artist who has a group but still they can be present and if he had an acting thingy..!! what is it the SM is Hiding Something..!! after what happened to DBSK no wonders if the it will happened again to "OTHERS"