Drarry, How they fell in love

Harry and Draco end up in an odd predicament because of some trouble they made. Them pranking each other turned into them beating the shit out of each other, but one day Potter pushed too far and Malfoy goes to get revenge. But when he finds him he doesn't expect to see what he did. Harry thought he'd just hurt him again but instead Malfoy grabs his jaw and kisses him.

Will they fall for each other, he'll yeah they already did. So the real question would be what will the others do when they find out. How will they hide it?