Backstabbed in a Backwater Dungeon (Manga) (2025)

A kid named Light is the only human member of the adventuring party Legion of Races, but humans are by far the weakest race in his world. When his comrades abandon him to the lowest levels of a dungeon, Light resorts to the gift of Infinite Gacha to create a harem of Lvl 9999 allies! With his powerful and beautiful new friends by his side, can Light escape the dungeon and exact vengeance upon the Legion of Races... and the entire world?

UNLIMITED GACHA VS INFINITE EVIL!Light and company find their adventuring interrupted by reports of suspicious killings in the very same dungeon they're crawling. Tempted by the prospect of boosting his rank—not to mention the generous reward promised by the Dagas Adventurers' Guild—Light sets off to catch the killers. The hunt takes a personal turn, however, when a party of innocent young adventurers gets slaughtered in the crossfire. Light's quest for vengeance will have to wait as he turns his wrath on a new target!

LIGHT'S GOT A LITTLE LIST...After bringing the hammer of justice down on the adventurer-slayer Kyto and his fast-talking accomplice Yanaaq, Light receives some excellent news! Ellie reports that preparations for Light's revenge on Sasha the elf are finally complete. The stage is set for Light to storm the Elven Queendom with all the power he's built up over his three years in the Abyss—and another name is about to be crossed off his ever-growing kill list!

GONNA GETCHA WITH MY GACHA!Chaos grips the Elven Queendom as a massive, mysterious tower suddenly appears on the horizon. With Light's former ally Sasha as their guide, the White Knights—the queendom's strongest knightly order—march off to quell the threat. Little do they know that within, Light awaits with a fighting force of his own--and he's added the powerful gacha Iceheat, Mera, Jack, and Suzu to his ranks! The battle between sheer numbers and Level 9999 power begins!

CHECKMATE!The elite White Knights of the Elven Queendom, along with Light's former comrade Sasha, infiltrate the Great Tower. Unfortunately for them, Light's welcoming committee of Iceheat, Mera, Jack, and Suzu overwhelm most of the White Knights one by one with their incredible Level 9999 powers! Nazuna goes up against White Knight Commander Hardy, while Light's revenge plot against Sasha finally comes to a head. Will the haughty elf be flicked off the chessboard by the master strategist?!

REVENGE IS BEST SERVED HOT! AND WITH A SIDE ORDER OF REVENGE!Sir Hardy, the commander of the White Knights, squares off against Nazuna, the strongest fighter in the Abyss! It's a clash of champions...or is it? Hardy is the Elven Queendom's greatest warrior, but can anything match Nazuna's overwhelming power?!Meanwhile, Light finally confronts Sasha and Mikhael—and rejects their pleas for a truce. At last, Light's sweet revenge on Sasha is at hand! And next is the mad scientist Sionne. Light now has a taste for blood, and vengeance, that may never be satisfied!

DUNGEON SPEED RUN!Light has at last dealt out to Sasha the fate she had coming! Now it's time to take a trip to the beautiful Dark Elf Islands for a little rest, relaxation, and revenge! Sionne, the Dark Elf scientist who betrayed Light, is holed up in her laboratory...which also happens to be a fiendishly difficult, dimension-spanning dungeon! Is it tough enough to deter Light and his party of Level 9,999 companions?!Full Title: 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 (Manga)

DARK DUNGEON DOOM!Light and his mighty Level 9,999 party members chase Sionne down into her dungeon laboratory! Before they go, though, Light swings by his Card Repository to stock up...and prepare a special surprise for the diabolical dark elf. An ambush by the sinister Blade of the Isles turns out to be a mere speed bump along Light's path into the depths of Sionne's dungeon—and the next step in his revenge plot!Full Title: 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 (Manga)

DRAGONSLAYER!Sionne’s cruel human experimentation and the Soul Dragon's all-you-can-eat spirit buffet come to an end when Light serves up just deserts! Then he receives shocking news—his sister Yume is alive! Can the former 15th-level twerp come to grips with his near five-digit power level?!Full Title: 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 (Manga)

LIGHT IN THE DARKNESSLight takes a moment to savor his sweet revenge on Sionne, but there is no rest for the wrathful as Mei arrives with shocking news—Light's sister Yume has been found! Light heads to the Human Kingdom to bring Yume to safety, but along the way must face the memories of his time in the darkest Abyss!Full Title: 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 (Manga)

HOMECOMINGLight and company arrive in the Human Kingdom, where a tearful reunion with his precious sister, Yume, awaits! To repay Princess Lilith for keeping her safe, Light pledges the Abyss's aid to the Human Kingdom. But revenge is best served hot, so Light returns to his quest, and next on the list is Naano the Dwarf! Can Light take on, and take out, the whole of the Dwarf Kingdom?!