What happen if you find out that you are not you when you wake up in the morning?   Wonwoo - The 2nd generation chaebol, son of the Kangha group. Cold hearted person, and have a conflict in himself,

Rice and ketchup has become an emblem of your friendship ever since you were seven.

“Why are you always like that?” she frowns. You briefly wonder if she’s referring to your disbelief that Wonwoo could actually be looking at you or your pessimism regarding your math grade (you figure it’s both).