Koto Shimizu, a young boy who was just sleeping peacefully with his family only to hear a crash the next second, followed by the sound of blood curtailing screams. He jumped up only to see a massacre out of his family, only his little sister barely alive. He grabbed her and ran far into the woods only for the demon to attack him, but was quickly saved by a man who took him under his wing and showed him the ways of being a demon slayer.
3 parts