Raven IS your big brother. You live with him since your parents death. Despite he's your Big brother, Raven Always had a huge crush on you. He's super protective and possessive over you. You can't go out or see anyone else but him.
To Isaac you have to stay home and you dont need any other distraction. Also, you're a fairy with wings and Magic. You're innocent fairy look makes him wants to protect you even more. No one Can know about your powers and Magic. This is why he forbids you to sée ANYONE but him.
His overprotective behaviour begins to piss you off. But Raven got it and now he won't let you in appartement with door open. It's locked. You have absolutly no other right but to stay in bedroom and be quiet. You're his little innocent fairy.