The 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 anime series accounts revealed its October 3 premiere date today alongside a brand new key visual and five more cast members joining the adaptation of the light novel series written by Shisui Meikyo and illustrated by tef. Backstabbed in a Backwater Dungeon Anime Key Visual Joining the cast of Backstabbed in a Backwater Dungeon are: Nazuna voiced by Hana Hishikawa Aoyuki voiced by Shiori Izawa Eri voiced by Ayumi Mano Nemumu voiced by Yuko Natsuyoshi Gold voiced by Katsuya Miyamoto Nazuna character visual Aoyuki character visual Eri character visual Nemumu character visual Gold character visual RELATED: Backstabbed in a Backwater Dungeon Anime Premieres in Fall 2025 Katsushi Sakurabi ( Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion ) directs Backstabbed in a Backwater Dungeon at studio J.C.STAFF, with series composition by Hiroshi Onogi ( Fullmetal Alchemist: Brotherhood ), character designs by Yukie Suzuki ( TSUKIMICHI -Moonlit Fantasy- ) and music by Ryo Takahashi ( WIND BREAKER ). Yoshikazu Iwanami serves as sound director. J-Novel Club publishes an official English version of the light novels and describes the story as such: When Light is kicked out of the Concord of the Tribes, his former comrades instantly turn on him. Light escapes this diabolical act of betrayal by the skin of his teeth…only to find himself in the deepest part of the Abyss, the most dangerous dungeon in the realm! To avoid being eaten by carnivorous monsters, he uses the Unlimited Gacha, his sole magical skill. But where it previously only produced junk items, this time Mei—a gorgeous Level 9999 fighter in a maid outfit—springs forth! Fast forward three years and Light has carved out his own kingdom in this backwater dungeon, summoning more beautiful Level 9999 warriors who swear absolute fealty to him. Now a powerful Level 9999 Overlord himself, Light plans to ascend to the surface and take revenge on his betrayers one by one! Source: Comic Natalie
