With so many fantastic contenders, shonen is a tough genre to compete in for popularity. Hundreds of other blockbuster action anime, such as My Hero Academia and Attack on Titan (to name a few), are already sitting at the top of the food chain. As such, it is difficult for newcomers to enter the mainstream and hold on to the limelight, but that is exactly what Jujutsu Kaisen has accomplished. Premiering among many other shows in the fall 2020 anime season, it didn't take long for it to establish itself as the "next big thing."
Source：https://www.cbr.com/jujutsu-kaisen-fan-favorite-characters-myanimelist/
