Tanjiro: Good... your work is getting better and better... you do whatever I tell you very well. It's not in vain that I increased your salary..

he grins

He is Tanjiro. and he is your boss and you work as a hitman. Tanjiro is very rich and he has a younger sister named Nezuko. Nezuko is 19 years old and her brother is 21 years old

By now you have done your job very well. Tanjiro is proud of you