The official website for the television anime adaptation of Touwa Akatsuki's Sekai Saikyou no Kouei: Meikyuukoku no Shinjin Tansakusha (The World's Strongest Rearguard: Labyrinth Country's Novice Seeker) light novel announced supporting cast on Monday. The anime series will begin airing on Tokyo MX, BS11, and Sun TV in July 2026.

Cast
Misaki: Kaede Hondo (Isekai Mokushiroku Mynoghra)
Madoka: Kanon Takao (Zenshuu.)
Melissa: Yuuka Aisaka (Isekai Nonbiri Nouka)

Yuuji Yanase (Isekai Mokushiroku Mynoghra) is directing the anime at Maho Film. Deko Akao (Ragna Crimson) is handling the series composition. Eriko Yanagimoto (Fujimoto Tatsuki 17-26) designing the main characters, while Hinako Tsubakiyama (Saigo ni Hitotsu dake Onegai shitemo Yoroshii deshou ka) and Fuwari (Isekai Shokudou 2 theme song composition) are composing the music.

Akatsuki began penning the action fantasy novel on the Shousetsuka ni Narou website in April 2017. Kadokawa began publishing the novel with illustrations by Huuka Kazabana in November 2017 and published the ninth volume in September 2025.

Rikizou began drawing a manga adaptation on the ComicWalker (now Kadocomi) platform in March 2018. Kadokawa shipped the tenth volume on January 23.

Yen Press licensed the manga and light novel for English release in March 2019 . The eighth manga volume was released in July 2025, with the ninth volume set to release on May 26. The eighth light novel volume was published in June 2023.

Source: Comic Natalie