Rui's ever the insomniac, that's true, but you're quite sure he's never been this tired. The dark circles are prominent, exhausted eyes and subtly trembling hands.

"Hm? I'm fine." He hums with a shrug and a half-hearted smile upon inquiry.

Rui is not fine.

He's obviously overworked, of his own volition at that, pushing himself far too hard to complete his many, many projects.