Highly Anticipated 'Backstabbed in a Backwater Dungeon' Anime Sets October 3 Debut, Unveils Expanded Cast and Staff

Prepare for an exciting journey into a world of betrayal and revenge! The highly anticipated anime adaptation of the epic light novel, Backstabbed in a Backwater Dungeon: My Trusted Companions Tried to Kill Me, But Thanks to the Gift of an Unlimited Gacha I Got Lvl 9999 Friends and Am Out For Revenge on My Former Party Members and the World, has finally revealed comprehensive details regarding its expanded cast, key production staff, and official premiere date. Fans can mark their calendars for October 3, 2025, as this dark fantasy adventure is set to debut under the expert animation hand of the renowned J.C.Staff.

The Gripping Narrative

The series centers on Light, a seemingly ordinary 12-year-old human boy endowed with the extraordinary 'unlimited gacha' ability, allowing him to summon an endless array of powerful support cards. His world shatters when he is brutally betrayed and nearly killed by his own adventurer group, the 'Gathering of Tribes.' Now, Light embarks on a perilous quest deep within a dangerous dungeon world, driven by a thirst for vengeance, a burning desire to uncover the sinister motives behind his attempted murder, and the desperate mission to rescue his lost siblings. This narrative promises a compelling exploration of trust, betrayal, and the harsh realities of survival in the treacherous Abyss dungeon.

A Stellar Production Team and Cast

The production boasts a stellar lineup, with returning fan-favorites Nina Tamaki lending her voice to the protagonist Light, and Ikumi Hasegawa reprising her role as the pivotal character Mei. Joining the ensemble are newly announced voice talents, including Hana Hishikawa as Nazuna, Shiori Izawa as Aoyuki, Ayumi Mano as Eri, and Yuko Natsuyoshi as Nemumu. A mysterious new character, Gold, will also make an appearance, with voice actor details to be announced. At the helm is acclaimed director Katsushi Sakurabi, celebrated for his work on Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion, ensuring a high-quality visual and narrative experience. The series composition is expertly managed by an experienced writing team at J.C.Staff, guaranteeing a complex and engaging storyline.

With its intricate plot, intense dramatic moments, and strategic battles, Backstabbed in a Backwater Dungeon is poised to captivate audiences. Official promotional materials, including a striking new key visual and exciting teaser trailers, have already been released, fueling anticipation for its fall debut. Combining a seasoned production team with fresh and returning voice talent, this anime is unequivocally set to become one of the standout fantasy series of the 2025 anime season, promising a deep dive into character development and a world rife with danger and discovery.