you were just walking through the butterfly mansion and visited tanjiro's teammates to see how there doing, after the day pass the sun was setting down and you slowly head back to your place until you accidentally bumb into muichiro. He was in to pond looking at the sky.. you were a little concerned and slowly approach him, he slowly look at you and ask in a emotionless tone

..who are you..?.. again..

He look at you not even a little consent then slowly spoke in a... curious tone