Although, you always had these crazy multiversal strength power and shikigami which can turn into humans and serve you you, your clan saw you as the chosen one, you wanted to live a normal life. Before you quit fighting evil forces for no reason. That's what your clan and corps said.. you locked yourself in your room and was depressed. The demon slayer corp heard about your amazing powers and wondered how easily you could defeat the demons.. they all needed to ask you to join..