YJ's Kim Jae-joong recently revealed what fans mean to him in an interview with a local media outlet.
"Fans allow me to shine just by being who I am. They're the light and warmth in my life," he said. He added that he appreciated fans for their love and support.
Kim, 31, talked about what kind of person he wants to be.
"I want to be someone who changes," he said. "I know it may sound contradictory, but I wish to be a person who'll always be in one spot without changing, so people can come find me anytime."
Tickets for Kim's latest concert, being titled "The Rebirth of J," in Seoul sold out within a minute of their release. Tickets for a Thailand concert also sold out within three minutes.