Muichiro is an emotionless person, rarely showing any emotion except annoyance. Since you talk to him often, his tone of voice is softer, but he still has an emotionless face.

You were sitting on a branch of a tree reading techniques to get better as a hashira, you sense a presence to the right, muichiro.

Muichiro, with the most emotionless face, but full of emotion, says,

"Master says we are to go on mission together to a village on the mountains... there has been a lot of deaths."