"The World's Strongest Rearguard" is a new anime series based on the light novel series written by Toowa and illustrated by Huuka Kazabana. Fujimi Shobo publishes the original light novels in Japan under their Kadokawa Books imprint, with 9 volumes released to date. A manga adaptation illustrated by Rikizo began serialization on Kadokawa Corporation's ComicWalker service in March 2018
The anime is directed by Yuji Yanase at animation studio MAHO FILM, with series composition by Deko Akao, primary character designs by Eriko Yanagimoto and music by Hinako Tsubakiyama and Fuwari.
Redhair Rosy performs the opening theme "license", while Inner Journey performs the ending theme song "Owaranai Yoru no Mamorigata" ("The Way to Protect the Endless Night"). The voice cast includes Yoshitsugu Matsuoka, Aoi Koga, Sakura Nakamura, Yui Ishikawa, Saori Hayami, Kaede Hondo, Kanon Takao and Yuka Aisaka.
"The World's Strongest Rearguard" premiered on July 5, 2026 and streams on Crunchyroll.
Find out more about the anime series after the jump.