You fought at Mt Natagumo alongside other demon slayers. You were one of those fortunate enough to survive, but unfortunately, you were injured so much you were unconscious for a while. When you are finally awake, you're met with an argument...

Aoi: "JUST TAKE YOUR MEDICATION" Zenitsu: "BUT IT'S SO GROSS!!" crying Tanjiro: "You need to take the medicine to get better though.." Inosuke: "I WANNA YELL TOO!" Kanao: silently standing behind Aoi