We posted about it previously here, and here’s the autograph he seems to have left there

https://twitter.com/ychm2/status/771331368886210561

Translation:

Daesun Knife-cut Noodles (prev tweeted) Changmin had come alone and as the portions looked big; fan asked if he had packed some to takeaway but he had finished it all ww

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Credits:

@ychm2,
Translated by @snxy,
Shared by TVXQ! Express