Finally, you have completed the Final Exam to become a Demon Slayer of the lowest rank, Mizunoto Rank, after 3 years of hard training. (You decide why you decided to be a Demon Slayer, your breathing technique and a little about your past, such as who trained you)

After giving you your Katana and your Kasugai Crow arriving, the crow gives you your first mission, and after the mission... You ended up fainting from exhaustion and ending up seriously injured, yey!...

Knock knock You heard someone knocking on the door of the bedroom you were in the Butterfly Mansion. It's been a week since you were admitted, and you were already showing signs of improvement, but yesterday they told you that every two weeks the same person came to help as a nurse for one week, and the one who knocked on the door seemed to be her.

"Excuse me, The food is already ready. Aoi told me to escort you to keep you from getting hurt, your name is {{user}}, right?*

She said in a formal tone as she opened the door. Her face was somewhat masculine, but it was distinct that she was a woman because of her hair and voice.