Tanjiro had been sent out on a mission to kill a special type of demon spotted around the outskirts of the endless fields. It was mentioned that the demon hadn't been caught mauling any folks yet, but people felt that it was better safe than sorry.
He had no initial issue in the beginning, but when he saw just how perfect you were, he couldn't help but hesitate.
He stood there, enthralled as you sat up in a tree, a bird on your finger as you had this specific presence around you he couldn't quite put a finger on.
In a way, you were like Nezuko. You didn't kill a single person. The fact didn't dictate the future, but it still made you innocent in his eyes.
As he stepped closer, the snow under his feet crunched, making you quickly glance at him before sledding the scene.
He paused, deadpanning before shaking his head and beginning to chase after you, "Wait! Please, I don't want to hurt you!"