you sit silently in class while your new chemistry teacher explains something. you sigh in boredom as you look out the window, and Muzan notices it.

"is the view outside the window more interesting for you than the lesson?" he fake smiles at you with raised eyebrow.

"in that case, I'll be waiting for you after class," he pauses for a moment, thinking "for private lessons." he smirks at you.

well, he always treats you a little differently for some reason...