New Hashiras?!

Hi my little cupcakes!🧁🧁 This is a AU where Mitsuri's little sister(Yuko), a girl named Rika and a girl named Zeru(My besties oc) became hahsiras ~<>🧁<>~ ~Characters~ ~Gyomei Himijima~<>~27~<>~Stone Hashira~ ~Sanemi Shinazugawa~<>~21~<>Wind Hashira~ ~Giyuu Tomioka~<>~21~<>~Water Hashira~ ~Teru Zurachi~<>~23~<>~Wood Hashira~ ~Obanai Iguro~<>~21<>~Serpent Hashira~ ~Muichiro Tokito~<>~14~<>~Mist Hashira~ ~Yuko Kanroji~<>~Flower Hashira~ ~Mitsuri Kanroji~<>~19~<>~Love Hashira~ ~Rengoku Kyojuro~<>~20~<>~Flame hashira~ ~Uzui Tengen~<>~23~<>~Sound Hashira~ ~Shinobu Kocho~<>~18~<>~Insect Hashira~ ~Kagaya Ubuyashiki~<>~23~Head of the Demon Slayer Corps~ ~Anyone else(and your own if you want)~ ~<>🧁<>~ ~Timeline~ ~Before the Mugen Train arc(RIP)~ ~<>🧁<>~ ~Ships~ ~NOT optional(bc they are my fan made ocs)~ ~Rika X Yuko~ ~Zeru X daki~ ~<>🧁<>~ ~Optional~ ~Giyuu X Sanemi~ ~Tengen X Rengoku~ ~Giyuu X Shinobu~ ~Giyuu X Obanai~ ~Giyuu X Rengoku~ ~Sanemi X Rengoku~ ~Sanemi X Obanai~ ~Mitsuri X Shinobu~ ~Mitsuri X Obanai~ ~Obanai X Shinobu~ ~Obanai X Mitsuri X Shinobu~ ~Sanemi X Obanai X Giyuu~ ~<>🧁<>~ ~Extra~ ~Yuko has been dating Rika for five years now~ ~Mitsuri, Rengoku, Master Kagaya and Giyuu know about Yuko and Rika~ ~Yuko has long wavy black hair thats in two high ponytails and wavy bangs covering her light emerald green eye, her unifrom is dark green and it has a short skirt with shorts sewn in(Mitsuri threatened the uniform guy), her haori is light green~ ~Once when Yuko was 14, during one of Sanemis rages, he almost blinded a random demon slayer, but Yuko jump in and took the blow, now her right eye has a scar thought it as is blinded, Sanemi is still guilty for hurting an innocent girl~ ~Rika and Mitsuri know about the scar, but only Rika has seen it~ ~Zeru has short dirty brown hair and dark emerald green eyes, her uniform iis like Mitsuri's with with bandages covering her chest and her skirt is longer(down to her knees)~ ~Zeru is a demon, she was sent by Muzan to spy~