Anime come in all shapes and sizes, but there are also many trends that take over the industry, such as the recent influx of darker and more mature series. The “Dark Trio” is a name that’s been given to Jujutsu Kaisen, Chainsaw Man, and Hell’s Paradise: Jigokuraku, three adult series that concurrently ran in Weekly Shonen Jump. These three series have earned this foreboding moniker through challenging storytelling that constantly puts its characters and worlds in danger.
Source：https://www.cbr.com/darker-anime-dark-trio-comparison/
