001. You need help in a particular subject so your professor assigns Percy Weasley to be your tutor.
002. Percy Weasley gives your character a very awkward, platonic kiss on the head.
003. You witness Percy Weasley getting punched in the face (or you're the one who punched him; let me know which you'd prefer).
004. You see Percy Weasley eating lunch alone and decide to eat with him.
005. Percy Weasley catches you out in the middle of the night.
006. You try convincing Percy to do your homework.
007. You force Percy to go to Hogsmeade with you.
008. You are in the library when you see Percy Weasley asleep with his head on a book.
009. Percy gets sick but he's too stubborn to miss any of his classes so you have to force him to go to the infirmary.
010. *FAMILY ONLY (this takes place in the summer at the burrow) If you're an older sibling of Percy or one of his parents, you comfort him after he wakes from a nightmare. If you're one of his younger siblings, he comforts you after you wake from a nightmare.