Ideally, anime series should get better with every season — but frustratingly, these five peaked with their first chapters.

A few beloved series like Tokyo Ghoul and Sword Art Online are remembered almost entirely for their incredible first season.

Series like Jujutsu Kaisen prove that not every anime has a bad season.

Since this guide to season 1 of the Oshi no Ko anime is already available in Japan, we know what to expect. It is, in part, an art book. So concept art and storyboards from the show will appear in it.