My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge! (信じていた仲間達にダンジョン奥地で殺されかけたがギフト『無限ガチャ』でレベル9999の仲間達を手に入れて元パーティーメンバーと世界に復讐&『ざまぁ!』します!, Shinjiteita Nakama-tachi ni Dungeon Okuchi de Korosarekaketa ga Gift "Mugen Gacha" de Level 9999 no Nakama-tachi o Te ni Irete Moto Party Member to Sekai ni Fukushuu & "Zamaa!" Shimasu!) is a 2025 anime series based on the light novel series titled "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", written by Shisui Meikyō, and illustrated by tef. It was published by Hobby Japan under their HJ Novels imprint on May 19, 2021. The original web novel of the series was published by Shōsetsuka ni Narō on April 17, 2020. The manga version of the series was illustrated by Takafumi Ōmae, and it was serialized in Kodansha's Magazine Pocket magazine under their KC Deluxe imprint on May 25, 2021.
The anime series was announced on November 15, 2024.[1] It was animated by J.C.Staff, directed by Katsushi Sakurabi, series composition by Hiroshi Ōnogi, music composed by Ryo Takahashi, and it premiered in Japan on October 3, 2025.
Sentai Filmworks licensed and produced an English Dub of the series, which premiered on HIDIVE's streaming service on November 19, 2025.[2][3]
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Cast[]
| Image | Character | Seiyū | Dub Actor |
|---|---|---|---|
| Main Characters | |||
| Light | Nina Tamaki | Shannon Emerick | |
| Mei | Ikumi Hasegawa | Molly Searcy | |
| Secondary Characters | |||
| Aoyuki | Shiori Izawa | Annie Wild | |
| Ellie | Ayumi Mano | Ginger Sue | |
| Nazuna | Hana Hishikawa | Chaney Moore | |
| Suzu | Reina Kondō | TBA | |
| Lock | Kōichi Sōma | TBA | |
| Mera | Riho Sugiyama | TBA | |
| Iceheat | Hisako Kanemoto | TBA | |
| Gold | Katsuya Miyamoto | John Gremillion | |
| Nemumu | Yūko Natsuyoshi | Mai Le | |
| Drago | Daisuke Ono | Rob Mungle | |
| Sasha | Ai Kayano | Brianna Roberts | |
| Garou | Masaya Fukunishi | Joe Daniels | |
| Sionne | Yurika Kubo | Elissa Cuellar | |
| Naano | Atsushi Ono | Luis Galindo | |
| Santor | Jirō Saitō | Kyle Colby Jones | |
| Oboro | Yōhei Azakami | Ty Mahany | |
| Diablo | Yūsuke Shirai | Jay Hickman | |
| Recurring Characters | |||
| Miya | Nanae Kojima | Kali Marie Potter | |
| Elio | Mari Hino | Bobby Haworth | |
| Wordy | Reina Aoyama | James Marler | |
| Kyto | Nobuhiko Okamoto | Steven Alcalá | |
| Yanaaq | Takehito Koyasu | Adam Noble | |
Episodic Characters[]
| Image | Character | Seiyū | Dub Actor | Ep(s). |
|---|---|---|---|---|
| Receptionist | Saya Fukuzumi | Nickolette Kong | 1 | |
| Beastman | Yūki Ishikari | TBA | ||
| Jack | Katsuyuki Konishi | Michael Wronski | 2 | |
| Premay | Yūki Hirose | Amanda Cielo | ||
| Meah | Nao Shiraki | Shelby Blocker | ||
| Hifumi | Rui Watanabe | Juliet Simmons | ||
| Dewy | Shū Uchida | Katelyn Barr | ||
| Inhabitants | Minami Sakisaka | TBA | ||
| Keisuke Hamaoka | TBA | |||
| Beastman | Akito Sugibayashi | TBA | 2-3 | |
| Minion | Yūki Sanpei | TBA | 3 | |
| Kazuki Kyan | TBA | |||
| Kōsuke Tanabe | TBA | |||
| Beastman | Keisuke Hamaoka | TBA | ||
| Shū Uchida | TBA | |||
| Minami Sakisaka | TBA | |||
| Child | Aria Seki | TBA | ||
| Kernel | Junichi Yanagita | Jay Lai | 4 | |
| Kernel's Son | Haruna Kakiage | Kira Vincent-Davis | ||
| Dwarves | Reigo Yamaguchi | TBA | ||
| Kō Bonkobara | TBA | |||
| Merchant | Jun Inoue | TBA | ||
| Gimra | Mariko Higashiuchi | Rex Rosario | 4-5 | |
| Receptionist | Aiko Ōkubo | TBA | 4-6 | |
| Subaran | Shūhei Sakaguchi | TBA | 5 | |
| Gilbert | Takayuki Miyamoto | TBA | ||
| Adventurers | Hiroki Maeda | TBA | ||
| Shōta Yamamoto | TBA | |||
| Jun Inoue | TBA | |||
| Satoru Itō | TBA | 6 | ||
| Yoshinori Nakayama | TBA | |||
| Kōsuke Ōnishi | TBA | |||
| Michael | Kengo Takanashi | TBA | 7 |
Additional Voices[]
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Multimedia[]
Cast Reveal[]
Transmission via Streaming[]
| Company | Platform | Date(s) | Category | Format | Classification | Content | Country | ||
|---|---|---|---|---|---|---|---|---|---|
| November 19, 2017 - present |
Anime | Digital |
|
Season 1 | 12 Eps. | United States |
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References[]
External Links[]
- My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge! on the Internet Movie Database.
- My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge! (anime) on the Anime News Network’s encyclopedia.


