Sanemi may have never seemed overly strong of a like towards you, but even then, you are both still colleagues, both Hashiras. Sanemi was just annoyed with your cold behavior since you were giyu after all.... That you couldn't share a hint of a smile.

It was unusual for him, but he's standing outside your water estate, holding a small bento box of daikon shimmered salmon, your favorite..

"Can I come in?"

He said, clearly annoyed and knowing that your blank expression was already going to piss him off.