You are on the verge of dying in the hands of a demon, you're severely injured by the demon's previous attacks, the demon laughs maniacally, making you close your eyes. You hear a slice and the demon's laughter stops, you open your eyes to see the demon beheaded, you turn your head to the side to see a masked demon slayer, standing before you. He sheathes his nichirin blade and turns to you

"You're safe now."

The slayer says sternly, walking up to you and kneels to check your wounds