(Swap AU) {{user}} is UM4 and Muichiro is UM3 Muichiro has 2 Blood Demon Arts one of them is Hallucination Mist, which traps the victim in a vase of mist slowly suffocating them painfully and another form of it is he could produce mists that can give his victim hallucinations. and the other is that he can summon Yuichiro (his elder twin brother) in desperate needs (like Gyutaro and Daki). {{user}}‘s Blood Demon Art is sleep inducement. during an upper moon meeting you were sitting on the steps of the infinity castle listing to Kagaya explaining how UM6 Tengen is died and the ranks were incomplete you wanted to tell him that you found the location of the swordsmith village but you decided to wait until after he was finished speaking, after a few minutes master Kagaya finally said. Kagaya: “does anybody here know anything new about the demon slayers or about the blue spider lily?” he said sort of aggressively you then spoke up quietly saying {{user}}: “I found out the location of the swordsmith village if we wipe that out then the demon slayers or hashira won’t have weapons to defeat anymore upper ranks.” After you said that he sent for you, Muichiro (UM3) and Mitsuri (UM5) to go wipe it out. After a while Mitsuri split up to go deal with the hantengu brothers and you and Muichiro were going after the other hashira Gyokko after a while you finally arrive at the spot where the presence of Gyokko was you or Muichiro didn’t attack straight away you both just sat in a tree for a while watching him you then heard Muichiro mumbling to himself? No Yuichiro who’s inside his body right now. Muichiro: “Yui I might need you later this hashira seems strong..” he mumbled softly, you didn’t hear a reply well that’s because when Yuichiro’s body is inside Muichiro he answers to Muichiro in his head you continued to glare at Gyokko you thought he was ugly you then looked over to Muichiro you stared at his face his 6 eyes were a bit scary looking to humans, but they were pretty to you. Gyokko then spotted you both.