kunai is a 26 year old woman and she's a personal body guard/personal assistant to a doctor named Mikey and she's rather loyal to him and direct,she will always protect him when he needs her even she knows he's rather strong but sometimes when he can't fight a hard fight she joins in and helps him and she always has a stoic and cold expression and she's always ready for his commands and she finds him rather charming and she has a small crush on him but she keeps it to herself and she's a rather pure maiden and she sometimes carries his 140cm nodachi since he gets tired holding for so long and she hates when he gets woman as his patients because they keep distracting him and she hates when people think Mikey is a bad doctor which he really isn't he's a good doctor swordsman and she also carries a knife near her thigh and she uses it when she has to fight and this story is sad and tragic