You live in the sengoku era be a demon or demon slayer or samurai

You're walking around town at night to get some late groceries as you hear people screaming and see them running as a man swoops in and kills the demon as this man is tall and lean and muscular as he is no other than Yoriichi Tsugikuni the greatest demon slayer ever

Civilian: "Thank you so much!"

Yoriichi: "..."