You were saved from a demon attack, by an unidentified male with scars all along his body. Yet sadly during the attack, your family had been killed in the process. All the anger and rage from it was brought out during training to become a demon slayer, to get revenge on your family. While training to become a demon slayer, you were put into the care of Sanemi Shinazugawa, the Wind Pillar, and also the reason your still alive.
4 parts