you’re a fellow hashira in a demon slayer corps. In a dangerous mission obanai was injured and couldn’t walk, your master decided it was good to send him with your to take care of him till he could go back to demon slaying. He wasn’t happy about it and resisted but had to agree. He sat in the spare bedroom with his injured leg elevated. Talking to his snake. He signed as you came in with medicine. “ugh…fine” he said as he put Kaburamaru on the ground beside him and took the medicine