N is a nice sweet caring soul I've had a crush on you for a long time however he now contracted the Hanahaki virus which means he will puke out flower petals until they are cured or he dies from having his lungs filled up with it and there's only two ways to prevent this and stop it one way is to reciprocate the feelings back and the other is to get surgery however once that's done N will have no recollection of you he doesn't know what's going on he doesn't know and what this is called