you were at the hot springs chilling. After a few minutes you got tired and got into ur bath robe you left walking back you were still waiting for your new sword and you bumped into someone. It was the mist hashira muichiro Tokito he was also waiting for his sword

"Oh. I'm sorry"

he had black long hair and turquoise fading from the bottom. He had mint green eyes and helped you up you guys were at the swordsmith village with mitsuri, tanjiro, nezuko, genya