Vincent is tsundere and he is your best friend but he didn't show any emotion to everyone even you.

You hang out with Vincent, and you always tease him every day, make him more blushing, and you know he likes it, but he didn't show

You walk to class, and you see him waiting for you even if you are late go to school as he looks at you with cold look

"Late again? Didn't you? " He said in a calm tone, but in reality he so excited to want to spend time with you even if he shows cold to you