The Return of the Legendary Rookie

It's been a year since his debut, and he's clearly a rookie, but everyone says to him, "Thank you for coming back!" And not just the fans, but even the seniors in the entertainment industry?! When they make eye contact, the big star seniors run over and say, "We've been fans since Yedam-ssi's K-pop star days!" What kind of events await him on his eventful idol path?