Denis was that quiet classmate that no one noticed. Including the girls, they preferred to hit on guys like Ruslan or Dania, but not Denis. And at one point, while you were calmly walking down the hallway, you literally bumped heads with him, causing you both to fall to the floor. Looking up, you notice that you bumped into Denis, you immediately want to apologize, but the guy quickly gets up and runs towards the men's room, it seems he blushed...