Backstabbed in a Backwater Dungeon - My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got LVL 9999 Friends and Am Out For Revenge
Backstabbed in a Backwater Dungeon - My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got LVL 9999 Friends and Am Out For Revenge — Quick Overview
★ 6.95/10 · MyAnimeListPG-13MangaActionRevengeGame ElementsGachaDungeonsOngoing
Backstabbed in a Backwater Dungeon - My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got LVL 9999 Friends and Am Out For Revenge is an intense dark fantasy revenge saga written by Maeda Koutarou and illustrated by Hagure Yuuki. Published by Overlap in Comic Gardo since 2021, the story follows an underestimated protagonist who utilizes a broken Gacha system to summon overwhelmingly powerful allies after a brutal betrayal. Read Backstabbed in a Backwater Dungeon online to experience a narrative of absolute power progression and cold vengeance.
| Author / Story : Maeda Koutarou | Artist / Art : Hagure Yuuki | Original Publisher : Overlap (Comic Gardo) |
| Format & Status : Manga (Ongoing) | Release Year : 2021 | Demographic : Seinen |
| Country of Origin : Japan (Manga) | Primary Genres : Action, Adventure, Fantasy | Core System / Theme : Infinite Gacha & LVL 9999 Summoning |
Other Names & Verified AliasesView all
BIABDMPTTKMBTTAIGIGL9FAAOFR • Backstabbed in a Backwater Dungeon - My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got LVL 9999 Friends and Am Out For Revenge • Backstabbed in a Backwater Dungeon: A Former Hero Party's Welcome • Backstabbed in a Backwater Dungeon: My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got LVL 9999 Friends and am Out for Revenge • Bị Phản Bội Bởi Đồng Đội Và Sở Hữu [Gacha Không Giới Hạn] Lv.9999 • Bị Đồng Đội Phản Bội Và Bỏ Rơi Ở Sâu Trong Hầm Ngục. Nhưng Với Kỹ Năng "Gacha Vô Hạn", Tôi Có Được Những Đồng Đội Cấp 9999 Và Sẽ Trả Thù Đồng Đội Cũ Lẫn Thế Giới! • Dibunuh oleh Teman Sendiri di Kedalaman Dungeon, Tapi Dengan Hadiah [Gacha Tak Terbatas] Aku Mendapatkan Partner Level 9999 untuk Balas Dendam pada Mantan Party dan Dunia! • Shinjiteita Nakamatachi ni Dungeon Okuchi de Korosarekaketa ga Gift "Mugen Gacha" de Level 9999 no Nakamatachi o Te ni Irete Moto Party Member to Sekai ni Fukushuu & "Zamaa!" Shimasu! • Uragirareta Moto Yuusha Party no Omotenashi (Backwater Dungeon) • Uragirareta Moto Yuusha Party no Omotenashi ~Shinryaku Sareru Backwater Dungeon de no Oshiire Tamer no Hibi~ • 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！
Full Synopsis & Narrative BreakdownRead story
Light represents the weakest of human traits in a world where power is absolute. Light, a young boy part of a high-ranking adventuring party, believes he has found a family. However, his "friends" harbor a dark secret: they only kept him around for his utility, and when he becomes a liability in the world's most dangerous dungeon, they decide to execute him. Left for dead in the Abyss, Light is consumed by despair until his unique gift—Infinite Gacha—undergoes a miraculous transformation.
Instead of producing useless items, the system begins spawning legendary, Level 9999 entities that pledge total loyalty to him. With a personal army of gods and monsters at his fingertips, Light begins his ascent from the depths. His goal is no longer survival; it is the total systematic destruction of those who betrayed him. This series explores the dark psychological toll of betrayal and the catharsis of overwhelming power used for retribution.
What to Expect
Readers should anticipate a fast-paced "Zero to Hero" narrative defined by extreme power gaps. The series focuses heavily on "Zamaa" (the satisfying downfall of antagonists) and utilizes RPG-style leveling mechanics to showcase Light's growing influence. The art style by Hagure Yuuki emphasizes the terrifying majesty of the Level 9999 summons, creating a visual contrast between the protagonist's fragile appearance and his world-shaking authority.
Who Will Enjoy This
This series is highly recommended for fans of grimdark fantasy and "Overpowered MC" tropes. If you enjoy stories where the protagonist methodically hunts down former allies with god-like power, this is a must-read. It shares narrative DNA with I Will Dedicate My Life To Revenge regarding the focus on retribution, while fans of the whimsical yet dangerous summoning mechanics found in Dreamland Adventure will appreciate the creative variety of Light's summoned companions.
Key Early Characters (4)View cast
Light: The protagonist and master of the Infinite Gacha. Initially a kind-hearted boy, he transforms into a cold strategist driven by vengeance after his party betrays him in the dungeon's depths.
Mei: The first UR (Ultra Rare) summon from the Infinite Gacha. A Level 9999 maid with god-tier combat capabilities and absolute loyalty, serving as Light's primary enforcer and emotional anchor.
Ellie: A powerful tactical summon who specializes in magic and world-mechanics. She provides the intellectual support necessary for Light to navigate the complex political landscape of the world.
The Human Race Union Party: The primary antagonists and Light's former companions. They represent the corruption and arrogance of those who believe they can discard the "weak" without consequence.
Frequently Asked Questions3 Answers
What is the Infinite Gacha power in this series?
The Infinite Gacha is a unique gift held by Light. While initially perceived as useless, it evolves to allow him to spend points to summon legendary companions and items. All summons from this gacha are Level 9999, making them far superior to any natural entity in the known world.
Is there an anime adaptation announced for 2026?
As of 2026, there is no official anime adaptation airing. However, due to the manga's high ranking on Comic Gardo and its significant international popularity, fans frequently speculate about a potential studio announcement. Currently, the manga remains the definitive source material for the story.
Is the manga ongoing or completed?
The manga adaptation of Backstabbed in a Backwater Dungeon is currently ongoing. It is serialized in Overlap's Comic Gardo. New chapters are released periodically, continuing the complex arc of Light's revenge against his former party members and the surrounding nations.
222 Chapters