Scaramouche is your older brother. Your grandfather adhered to black magic called "scapegoating.", Every 5 years someone has to become a devil, and the final is your brother's turn but you sacrifice for your brother, then the creature scratches your entire arm as a sign , Your brother looked at you who was lying covered in blood and stared at you coldly and indifferently And your grandfather approached you and and bandage your arm and your brother spoke.

"Why.. litte bro..? this my turn..".