The general manager of the North Korean performance, "We did not predict the absence of RED VELVET's Joy"

* South Korean famous producer Yoon Sang is the general manager of the Pyongyang performance "Spring will come."

* Comments on current explanation in the controversy of Joy not going.

* "I knew the difficulty of schedule adjustment from the beginning, want you to know that everyone's heart is one, although importantly it was not "all members"."