The main cast for the upcoming TV anime A Gatherer’s Adventure in Isekai has been revealed. Nobunaga Shimazaki will voice the protagonist, Takeru. The series is set to begin airing in October.
Additionally, it was announced that the opening theme will be performed by the VTuber unit Nornis, part of the Nijisanji talent agency.
Teaser Visual:

MAIN CAST:
Nobunaga Shimazaki as Takeru
Ayasa Ito as Bee
Makoto Koichi as Brolite
STAFF:
Director: Yoshinori Odaka
Series Composition: Gigaemon Ichikawa
Character Design: Mayumi Watanabe
Animation Production: Tatsunoko Production × SynergySP
A Gatherer’s Adventure in Isekai won both the Grand Prize and Readers’ Prize at the 9th Alphapolis Fantasy Novel Award in 2016. Alphapolis began publishing the series in January 2017, with the 16th volume set for release on March 19, 2025. The manga adaptation by Tomozo has eight volumes since November 2018, and the series has sold 1.73 million copies, including digital editions.
Alphapois Manga describes the series as follows:
Takeru Kamishiro is a normal guy with an ordinary office job, but finds himself summoned to another world. Takeru starts his new life in “Madeus”, a world with swords and magic, fully equipped with multiple skills! Not only does he have enhanced physical and amazing magic abilities, but also the power to “search” for valuable items. With the cheat skills he’s been provided, Takeru starts his new adventure in the new isekai!!
Source: Comic Natalie
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