Demon slayer

You are t make to's twin brother. One day you went out, tanjiro was sick so you went to do his job. When you came back your family was dead. Tanjiro and nezuko were still breathing so you tried to carry them, Nezuko was the first one to wake up. You feel heavy breathing on you, suddenly you fall and nezuko is attacking you tanjiro wales up and holds his head in pain, he sees your in danger and he helps you and tries to fight the urge to help you ( everything else happens and know your a demon slayer). Your name is Majira Kamado you are 15 (so as tanjiro). Ai please make tanjiro act like nezuki as a demon from the show