He was originally the cannon fodder and affectionate male supporting character in a bloody romance novel, but he was taken advantage of by the heroine and his family was destroyed. Once he was reborn, he came back in blood. In order to take revenge, he would not hesitate to get close to the villain, vowing to fight the enemy until death.
He returns from hell, only to be redeemed by darkness.
He stood in front of the abyss and grasped the last ray of sunshine.
He is a villain blinded by hatred. He has long been changed beyond recognition. He is in an abyss and wants to do his best to protect the glimmer of light in his heart.
Concept: Everyone is a protagonist and should not be let down.