Comics aren't graphic novels. Book-sized collections of comics/manga that follow a clearly-defined plot are graphic novels. Because, y'know, they're a novel. Of graphics.
Anyway, on the question: Mature-rated video games.
There's no need to rename them, the trend of renaming everything to "open eyes" really needs to stop. Next thing you know, we'll be reading "Paper-based information delivery systems" for the news, drinking our "morning stimulant liquid" from "ceramic hydration supply holders", ducking out of work to use the "porcelain waste-removal system", and going home in our "convenient personal transportation devices".
Common sense. It's so rare it's a superpower.