[All] Bu Seok-soon's surprise ARS event after his comeback

When Boo Seok-soon made a comeback, he held a surprise event. It was an event where you could hear voice messages from the members by calling the ARS numbers that were revealed on Instagram.
They say that 30,000 calls were made in one hour, and 100,000 calls were made four hours later.
This is the incredibly popular Bu Seok-soon.