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 - Production & Contact Info

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 (2025– )
TV Series | Animation, Action, Adventure

Primary photo for 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

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 (2025– )

TV Series | Animation, Action, Adventure

Betrayed and banished to a deadly dungeon, a man uses his summoning power to call forth powerful female warriors. After building his strength for three years, he prepares to return topside and exact vengeance on those who wronged him.

Seasons

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Creator

Shisui Meikyou (creator)

See all filmmakers & crew

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Edit Released

Updated Oct 3, 2025

Release date (First episode)

Oct 2025 (Japan)

Contacts

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Cast	+ Add Cast
25 cast members

Name	Episodes	Known for
Masaya Fukunishi Garou (voice) Garou (voice) See fewer	2	Kaiju No. 8 (2024)
Ikumi Hasegawa Mei Mei See fewer	2	Bocchi the Rock! (2022)
Nina Tamaki Light (voice) Light (voice) See fewer	2	Tsukimichi: Moonlit Fantasy (2021)
Katsuyuki Konishi Jack (voice) Jack (voice) See fewer	1	Gurren Lagann (2007)
Daisuke Ono Drago (voice) Drago (voice) See fewer	1	JoJo's Bizarre Adventure (2012)
Yôhei Azakami Oboro (voice) Oboro (voice) See fewer	1	Demon Slayer: Kimetsu no Yaiba- The Movie - Infinity Castle (2025)
Ai Kayano Sasha (voice) Sasha (voice) See fewer	1	Guilty Crown (2011)
Shiori Izawa Aoyuki (voice) Aoyuki (voice) See fewer	1	Made in Abyss (2017)
Yurika Kubo Sionne (voice) Sionne (voice) See fewer	1	Girls' Last Tour (2017)
Atsushi Ono Naano (voice) Naano (voice) See fewer	1	Vinland Saga (2019)
Hana Hishikawa Nazuna (voice) Nazuna (voice) See fewer	1	Why Does Nobody Remember Me in This World? (2024)
Jirô Saitô Santor (voice) Santor (voice) See fewer	1	Heavy Rain (2010)
Yûsuke Shirai Diablo (voice) Diablo (voice) See fewer	1	Tokyo Mew Mew New (2022)
Yûki Ishikari Beastman (voice) Beastman (voice) See fewer	1	Vivy: Fluorite Eye's Song (2021)
Ayumi Mano Ellie (voice) Ellie (voice) See fewer	1	Demon Slayer: Kimetsu No Yaiba - To the Swordsmith Village (2023)
Rui Tanabe Hifumi (voice) Hifumi (voice) See fewer	1	High School Fleet (2016)
Yûki Hirose Prime (voice) Prime (voice) See fewer	1	Alice & Zouroku (2017)
Nao Shiraki Mare (voice) Mare (voice) See fewer	1	The Promised Neverland (2019)
Shû Uchida Due (voice) Due (voice) See fewer	1	Crayon Shin-chan: Shrouded in Mystery! The Flowers of Tenkazu Academy (2021)
Saya Fukuzumi Receptionist (voice) Receptionist (voice) See fewer	1	Tsukimichi: Moonlit Fantasy (2021)
Keisuke Hamaoka Inhabitant of the Abyss (voice) Inhabitant of the Abyss (voice) See fewer	1	Deus Ex: Mankind Divided (2016)
Minami Sakisaka Inhabitant of the Abyss (voice) Inhabitant of the Abyss (voice) See fewer	1	Suicide Squad Isekai (2024)
Akito Sugibayashi Beastman (voice) Beastman (voice) See fewer	1	Guilty Gear Strive: Dual Rulers (2025)
Yuko Natsuyoshi Nemumu (voice) Nemumu (voice) See fewer		Beyblade X (2023)
Katsuya Miyamoto Gold (voice) Gold (voice) See fewer		Eureka Seven (2005)