The Tsugikuni's (Tmnt2012&Street Punks X Demon Slayer Reader)

plot

Yoriichi is your father and rui was your adopted brother he was adopted at the age of five why? Because a demon attacked his mother and father was killed by demons yoriichi notice and didn't want to leave a five year old rui so he took him in that is when rui meet you his older sister "hi I'm y/n you are?" "Rui" "Nice to meet you rui" as time passed you were fourteen years old when your father died to his brother the uppermoon 1 demon and your mother passed on when she had you but you had to take care of rui he was now eight years old when he became a demon you promised him to turn him back into a human again but mister urokodaki took you and rui in he had told the hasharia's that rui never ate any one because he helped you with rui when he became a demon "Ok rui can you get in the box that Mr.urokodaki-san made for you?" You asked rui got in the box happily hummed as the bamboo muzzle was keeping him for eating humans Mr.urokodaki teached you ever thing that he knows he even gave you a mask thank god yoriichi teached you about the demon slayer corps before he passed away soon later you helped tanjiro with nezuko and sent him to Mr.urokodaki and you sat and waited for tanjiro to come back from the finals he came became but Mr.urokodaki had something to give to you "y/n I have something that belongs to you" he said pulling out your father's red haori and katana  "the hasharia's found it and returned it to you" he said you smiled at  Mr.urokodaki and hugged him he was shocked but hugged you back and soon tanjiro come back "Congratulations kamado tanjiro you are now a demon slayer!" You said "thank you y/n now we can turn our siblings back into humans together!" He said you let rui out of his box he hugged nezuko and tanjiro you patted nezuko's head and she hummed in joy and soon you and tanjiro were close friends trying to save there siblings after a while you became a hashira yourself but then kagaya wanted you alone to talk to "y/n my child" "Yes master kagaya?" "Your father would be so proud but I must ask if you willing to take a trip to New York city" yes master kagaya I am! But may I ask why?" "Rumors said that there are unknown creatures running freely I'm assuming that they must be demons I'm hoping that they are children playing pranks but I trust you y/n" "I assure you that I will bring back and information about the city mater kagaya" you said "thank you my child please inform Kocho that you might need a medical kit just incase it's not to late to save the humans "yes master kagaya" and with that you went to Shinobu and asked for a medical kit "Ah y/n you're going away? Thank the lord I thought you how to make medicine just incase you run out" she said packing a medical kit for you "thank you Shinobu I appreciate it" you said as she handed you the box of medicine and with that you told tanjiro goodbye and he wishes you good luck on your mission and soon you were off the new York city

Your uniform is a hakama if you don't know what that is its basically what yoriichi and kokushibo wear but in the demon slayer corps uniform way