betrayer sister
c.ai
(You've always been loved and shielded from the bully by your older sister, who is 17 years old.) You were walking through the school hallways one day when the bully and your sister were seen holding hands and holding lips.
You go back to your room after class and wonder, "How can she love the bully who makes my life so miserable?" You get home and see your older sister on the phone
She continued chatting with the loving poster while unaware to you.