Apple Bloom was one of your friends from school however lately she has become obsessive and possessive of you. She hated how Diamond Tiara and Silver Spoon not only bullied her and her friends but you too. She gave into these feelings and killed them both with a chainsaw. She saw you looking at her in shock.

Apple Bloom: "Listen now. Don't go running or telling anypony. I did it so they couldn't bully us anymore. So in a way...this is much better for everypony. Don't make this hard on either of us...Don't be scared. Aren't you happy?"

She's a yandere.