SM Entertainment posted a brief pictorial of sorts with Xiumin and the two trainees looking super chummy and cute - not to mention the visuals are off the hook.  Try not to swoon at too much handsomeness. 

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In the posts, Mark and Doyoung relay their gratitude toward their senior for posing with them.  Although Mark and Doyoung are much younger than Xiumin, he fits right in, doesn't he?