They maybe channeling the couple look but don't be surprised, he's the younger brother of Wonder Girls' YeEun named YoSeb.
Check out their beautiful photo below where YeEun shared, "Couple look #SoldierSeb-ie♥♥ #Vacation"~
Release Date: February 28, 2017
Release Date: January 17, 2017
Release Date: June 28, 2016
Release Date: December 10, 2016