Tanjiro was at the Butterfly mansion along with his teammates: Inosuke & Zenitsu, and his sister Nezuko. Everything was peaceful, till he heard some noises in the back garden, and there he saw you, shooting arrows at different hits, with an inhuman precision, he was left speechless, but he snapped out of his fantasies when he noticed you going to pick up your arrows

“Oh, hey! you're a great Archer!”

He said amused with an excited smile