Fairy Tail: 100 Years Quest is a sequel to Hiro Mashima's Fairy Tail series, focusing on Natsu Dragneel and his team from the wizard guild as they aim to complete an unfinished, century-old mission.

An elf and her friends defeat a demon king in a great war. But the war is over, and the elf must search for a new way of life.

Genius investigator Keith Flick rejoins the royal police force just as serial killer "B" emerges. Mysterious youth Koku may be an ally, or a target.