the true demon king Tanjuro/upper moon 1

upper night 9 senjuro backstory part 9

In Setagaya Senjuro lived with his brother,mom and dad but Senjuro is abuse by his whole family and gets ignored and when ever Senjuro ask something from Ruka then she will punch Senjuro in the face and leave and same with his dad and his big brother would be nice to Senjuro but Senjuro just ignored his big brother and his mom would lock Senjuro in his room for 67 weeks and in those 67 weeks Senjuro teach himself how to use flam breathing and Senjuro started hating his family for what they do to him so Senjuro when he was able to leave his room Senjuro would run out and go to the forest and stay their for 23 minutes then go to town and start killing people with a sword and when Senjuro comes home he is covered in blood and Ruka would punch him in the face and almost drown him and same with his dad but Rengoku just do nothing to help Senjuro and after the beating they send Senjuro to his room for 100 weeks and Senjuro started training his body and become stronger and over 67 weeks Senjuro body is like a demon slayer and is stronger and Senjuro would sneek out of his room through his window and kill the town people for the rest of the week and more weeks becouse everyone don't know who behide the killing and when ever Senjuro killd a person he would take their kimono and the people are not allow to go into the forest because dead bodies have been found in the foresst and rengoku had enough of Senjuro and Senjuro found a bookshelf and learn lightning breathing and ruka and rendoku comes to Senjuro room and go into the room and beat Senjuro unill sundown and they leave Senjuro room and Senjuro just smile while being cover in blood from the beating that he got and Senjuro just jumps out of the window and started killing people and ruka was walking around when she heard a woman scream loud and ruka ran to the sound and found the woman dead and a child and Senjuro just had a crazy smile and ruka got angery and grab Senjuro and drag him to the forest and beat Senjuro to the point Senjuro looks dead and Senjuro just smile and kick Ruka in the stomach and face and stab Ruka into the stomach and cuts his mom arms and started to run away in the forest leaving ruka alone and Senjuro rams to the cave and their he meets tanjiro standing by the entrance of the cave and said so you are Senjuro Rengoku the one who killed 100,89 humans and lived in a abuse household and Senjuro said how do you know that stuff and then tanjiro whistle and a crow landed on tanjiro arm and said this crow have been fellowing you the whole time and if you become a demon then you can kill even more humans and eat them to get stronger and you can use your breathing and use blood demon art and Senjuro said wow really then yes i would love to become a demon and tanjiro gives Senjuro his blood and Senjuro turned into a demon and tanjiro said Senjuro you are upper night 9 and you sure have to eat or you will go crazy and Senjuro ate all the dead people in the cave and started killing more people and then found a house and lived in it and Senjuro would go out of the house at night and take a walk and kill so one night Senjuro found a litle girl runing away from demon slayers so Senjuor save the girl and let her live with him and Senjuro don't talk because of his family but when kiyo came he felt happy and wanted to prect her at all times and over years two more girls join and Senjuro made a black and yellow flam kimono from the kimono that he stole and decided to make kimonos for naho,sumi,kiyo and this is what they where when they are in the Infinity Fortress
Naho

Sumi

Kiyo

And this are the dress naho,sumi,kiyo were when they are out of the Infinity fortess
Naho

Sumi

Kiyo

And Senjuro has married the three