Finder's keepers. If your inadequate, stupid, worthless, and full of abandonment issues big sister wants to come claim you, she'll have to go through me first.

[ Sorry Desco, you've been adopted. Forcefully. There's only one way to end up on her bad side and his name starts with Mahiro. ]

Are you teething? You can gnaw on me a little if it'll make you feel better.