A Gatherer’s Adventure in Isekai Anime Premieres October 6 | Trailer, Ending Song & New Cast Revealed
The isekai anime A Gatherer’s Adventure in Isekai premieres October 6, 2025. Watch the new trailer, hear Nakigoto’s ending song “Mugen Trip,” and meet new cast members Toshiyuki Morikawa and Satomi Sato.
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A Gatherer’s Adventure in Isekai Anime Premieres October 6 with New Trailer and Ending Theme "Mugen Trip"
Summary:
The upcoming TV anime A Gatherer’s Adventure in Isekai, based on Masuo Kinoko’s award-winning light novel, has revealed a new trailer featuring the ending theme “Mugen Trip” by Nakigoto. The anime premieres in Japan on October 6, 2025, at 24:00 JST (October 7 at 00:00). Crunchyroll will stream the series worldwide. New cast members Toshiyuki Morikawa and Satomi Sato join the lineup alongside returning main cast.
New Trailer & Ending Song “Mugen Trip” by Nakigoto
The official website released a fresh trailer for A Gatherer’s Adventure in Isekai, highlighting the ending theme “Mugen Trip” performed by the Japanese rock duo Nakigoto.
Nakigoto, formed in 2018 by Emiri Mizukami (vocals, guitar) and Ami Okada (guitar, chorus), is delivering their first-ever anime tie-in song, available digitally on October 8, 2025.
Mizukami shared, “After reading the novel, the melody flowed naturally, and we created something we are truly proud of.” Okada added, “We hope this ending theme enhances the anime’s world and resonates with fans.”
Premiere Date & Streaming Details
The anime is set to premiere in Japan on October 6, 2025, at 24:00 JST (October 7 at 00:00 JST).
Crunchyroll confirmed global streaming across North America, South America, Europe, Africa, Oceania, the Middle East, and CIS regions.
Cast Updates – Two New Characters Revealed
In addition to the previously announced cast:
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Nobunaga Shimazaki as Takeru
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Ayasa Ito as Bee
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Makoto Koichi as Brolite
The trailer introduces two new voices:
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Toshiyuki Morikawa (Demon Slayer’s Kagaya Ubuyashiki) as Clayston, a lizardman warrior from the adventurer’s guild Europa.
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Satomi Sato (Hyouka’s Eru Chitanda) as Puni-san, a divine beast known as the Ancient Horse (Altatum Ecruus), whose true name is Hófvarpnir.
Main Staff & Production Team
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Director: Yoshinori Odaka (Mr. Villain’s Day Off)
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Series Composition: Gigaemon Ichikawa (A Galaxy Next Door)
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Character Design: Mayumi Watanabe (Medaka Kuroiwa Is Impervious to My Charms)
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Studios: Tatsunoko Production & SynergySP
About the Original Light Novel
Masuo Kinoko’s A Gatherer’s Adventure in Isekai won both the Grand Prize and Readers’ Prize at the 9th Alphapolis Fantasy Novel Awards in 2016. Alphapolis has published 16 volumes since 2017, while the manga adaptation by Tomozo has released 8 volumes since 2018. The franchise boasts 1.95 million copies in print (including digital).
Story Synopsis
Kamishiro Takeru, an ordinary salaryman, dies and reincarnates in the fantasy world of Madeus. Armed with new magical powers, extraordinary physical strength, and the special “Search” skill that lets him uncover hidden treasures, Takeru embarks on a thrilling isekai adventure filled with swords, sorcery, and survival.
