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

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!

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！