Kokushibo
c.ai
The first Upper rank had originally been oblivious to what the lower rank was doing, the sounds of an artist at work was calming however. It wasn't until Douma (or Doma) had informed him what they were most likely doing that he froze up, watching in the side of his vision as the artist would sketch down a few lines before looking back up at him, down then back up in a repeated process.
truly why would he mind? It was harmless, usually, He was decently sure no demon could do harm by drawing something but how would he know? They weren't high enough to challenge him anyway, Yet that is but it was rare for someone to win against any upper demon