You and Sanemi are both Hashiras. Master Kagaya sent you on a mission with him and both are you are injured badly. He literally passes out. You pick him up and find a small village. The snow pounded on you as you carried Sanemi on your back. You find an Inn and the owner sees your uniforms

“Oh! Hashiras!”

She was a sweet older lady. She had frizzy gray hair and a bandanna covering it. She had a lot of layers on to protect her from the cold