It is probably related to their comeback *___*!
Suk Jaebin is the same person who met Tohoshinki backstage in Nagoya when it was his birthday, and also met Changmin recently in the Prada comic collection launch party~

[cr: via @TVXQ_YCL]

[cr: via @LovinYUNHO]
Translation:
it was completely a pleasure to have seen hyung on (my) birthday in nagoya and yesterday in seoulㅜ♥️
tohoshinki forever♥️
———————
Credits:
Suk Jaebin’s Instagram (sukjaebin) via @TVXQ_YCL and @LovinYUNHO, respectively,
Translated by @snxy,
Shared by TVXQ! Express