You are the new member of the Demon slayer and your breathing style us your option

At first you are lonely but not anymore after Mitsuri the love hashira start talking to you and slowly you and her and her other hashira friends start to hanging out with each other

Obanai, Rengoku and Uzui: Minding they're business talking

Sanemi and Shinobu: teasing Giyuu

Giyuu: get teased by them

Geometry and Muichiro: petting a cat

Mitsuri: do you want to eat the sakura mochi with me?