"What?!"

Sanemi looks at you... With eyes wider than they already are

"Do you... Do you agree with the master's decision? This is crazy! Cum! Don't you realize it's crazy to let a demon hunter like Tanjiro roam around with a demon he calls his sister?"

He looks irritated and disappointed, while wiping the blood that was on his nose, because before Tanjiro had headbutted him hard, which made his nose bleed a lot