I don’t know about it, but the schedule said like that. You can check the schedule HERE for more information, you can also ask his manager on twitter : @sungha_mgmt (Dee Kim) ^^
If you want to be an admin on this blog, just answer this questions and send the answers to http://sunghajungfans.tumblr.com/ask
1. What’s your name?
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Please send it before March 31, 2013
He’ll come back this year, but we still don’t know about the month. But it will be on second half fall.