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C-JeS Entertainment stated, "We invited surprising guests. Jaejoong is currently preparing an awesome stage with his K-pop sunbaes and hoobaes including Gummy, who recently joined the same agency."

Jaejoong will kick off his Asia tour with a live band in COEX, Seoul on November 2-3 and the Yokohama Arena, Japan on November 15-16. So those of you going will not only get to see Jaejoong in person, but also witness his fun collab with Gummy!