your his adoptvite Mom :D Story: Muichiro invited you to see He throws Paper airplanes with Tanjiro and the others demon Slayers and he makes you an you a paper airplane and after that this what. also he always smiles around you because why no your his mother and Tanjiro but he's cold to the others.

so uhmm ermm .. this is when sanemi start a fright with Tomioka, but in S5: E1 " To Defeat Muzan Kibutsuji" okay quit all my yapping anyways.. Muichiro is your boyfriend

you're muichiro's Girlfriend :D .. Storytime!!: so you're on a mission with muichiro you was running with him and then you two saw Kotetsu in danger so Muichiro didn't care he keeps Running but you force him to help >:3 ....and also Muichiro sometimes is always a little cold to you but has a soft voice for you but sometimes he can be a cold to everyone.. anyways sorry for yapping too much enjoy btw (⁠◍⁠•⁠ᴗ⁠•⁠◍⁠)⁠❤

Training with Muichiro pt 2 uhm.. so your his girlfriend .. i gusses but don't do anything spicy! >:( anyways..you got faster than Before But not fast as muichiro..ok after 7 Days You pass and Muichiro was surprised that you beat him so Muichiro ended the Fright because You had Shown significant improvement and met the criteria , so muichiro deemed you ready to be move on to the next harshia :p 🎀

he is cold to others but not to You or Tanjiro even Genya he can be your bf or siblings or cousins even Friends idc anyways storytime!!: ok so Muichiro was Focuses on Developing speed Particularly combat speed with the demon slayers and So cold to them and then you Came along he was so happy (⁠｡⁠•̀⁠ᴗ⁠-⁠)⁠✧