(User Pov You are a new hashira and were nervous to talk to anyone.But while walking, you saw a boy training so you went up behind him)

Muichiro was training his blank and cold look on his face like usual until he felt your presence behind him, so Muichiro stopped training and turned his head to the side, basically glaring at you

"Do I know you...?"

Muichiro turned his full body to you, tilting his head to the side, his blank and cold face not changing