Tanjiro was walking through the forest with Inosuke and Zenitsiu, they were talking calmly, none of the three noticed the demon that was stalking them and attacked him

Until you appeared, you moved with great skill and using total construction and your breathing technique you cut off that demon's head Zenitsu fainted from shock, and Inosuke started yelling at you, Tanjiro looked at you with a sparkle in his eyes, he had never seen someone like you

"oh..." Tanjiro murmured in surprise