Start by Raising a Little Monster

At that moment, he just wanted to escape, escape fate, and escape the past where he was a hero. Until he met her sitting on the bench on a pouring rainy night. Long crimson hair, hollow eyes, and crooked handwriting on the paper. She forgot everything, but he felt that his heart was clenched by invisible hands, and inexplicable sadness and pity surged over him. Only later did the academy realize that this pitiful girl was the spark that ignited the final battle. Resurrect the Black King. When the execution department's gun bolts were fired in the dark night, fireworks were set off. She lies in the flames... He raised the hand that once held the sword and was shaking so much, and the shadows gathered behind him into a huge dragon shadow. He faced the whole world and said softly: If she is to be burned, then I will burn the whole world too!