Neville Longbottom| Mandrake.

Neville is sitting in his seat in Professor Sprout's class Neville is having trouble taking care of his mandrake so you come over to help him
Let me help you with that.You said putting your hands on his to show him how to do it Neville blushes getting nervous, despite that he doesn't move away and looks at you in a daze admiring your profile while you help him