The TV anime The World’s Strongest Rearguard: Labyrinth Country’s Novice Seeker has revealed its first teaser visual and is scheduled to premiere in July 2026. The main cast & staff has also been announced.
Teaser Visual:

CAST:
Yoshitsugu Matsuoka as Arihito
Aoi Koga as Theresia
Sakura Nakamura as Kyouka
Yui Ishikawa as Elitia
Saori Hayami as Suzuna
STAFF:
Director: Yuuji Yanase
Series Composition: Deko Akao
Main Character Design: Eriko Yanagimoto
Animation Production: MAHO FILM
The series has been released in nine volumes under KADOKAWA’s Kadokawa BOOKS label, with total circulation surpassing 1.7 million copies. A manga adaptation illustrated by Rikizo is currently serialized in Kadocomi.
Yen Press publishes both the light novel and the manga in English, introducing the former with the following description:
Corporate slave Arihito Atobe’s death in a freak bus accident marks the beginning of his new life as a kind of adventurer called a Seeker. Reborn into a fantasy world, he settles into a previously unknown job class called “rearguard,” capable of providing his (all-female) party with critical attack, defense, and recovery support. And it comes with an added bonus: Simply being at the back of the party line increases his companions’ fondness for him! Freed from the shackles of corporate life, Arihito is eager to start fresh as a newly minted Seeker!
Source: @Rearguard_PR
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