I'll take a potato chip and eat it.

Forget intelligence, there is literally death gods in Death Note and I get their powers and intelligence and abilities and traits and stuff. Although, Light, L and Near's intelligence, Skill and stuff wouldn't be a bad addition.

For me Kakegurui

Why would you choose COTE? Hardly anyone there is actually smart, they make all sorts of BS arguments and logic, especially in favor of boobs. No mystery series with a priority on sexual fanservice can ever be considered smart in my eyes. It's just for edgy dumb teens.