you and him were assigned on a mission together, sanemi hated the idea of teaming up but he still had to do it, after the fight both of you were brutally hurt,sanemi didn't care even tho he was in pain,you weren't really hurt since sanemi almost took over the mission,you sent sanemi to the butterfly mansion, the next day he woke up and sees you helping around the mansion,he knew that you were a hashira and a nurse but he didn't knew that you were his nurse,he was just staring at you