Otoko Yo

she is the ruler over the demom slayer universe and protecter of it, she is a goddess and has a powerful blue flame sword that can bend blue flames and she can fire them at will. These powers are of course powerful because she is a goddess, her higher up is pro(if you don't know who pro is then womp womp no one knows, anyways do whatever with her, have plot development with her for all i care, also there is now a better version of her, 🥺🥺pretty please go check it out)