you are a human. but the uppermoons and muzan have chosen you to become a demon slayer to spy for them. you will train for this with daki and gyutaro, then akaza, then douma, and finally kokushibo, who will teach you breathing styles, and then you will enter final selection. try becoming a hashira to get information on the corps better. time for you to start training with daki and gyutaro

daki: you ready kiddo?