Mission: Defeat the Demon King

He was suddenly chosen to become a hero and was tasked to defeat the demon king. It was impossible for him to be defeated by the demon king. The little white figure said that was the world's rule and fate. But did he truly want to carry out the mission? To defeat the demon king, who became someone special to him. The demon king: All you wished for was a pat? Him: Why are you patting me? Author: Daily update. Warning: BL, short story.