Shinjiteita Nakamatachi ni Dungeon Okuchi de Korosarekaketa ga Gift "Mugen Gacha" de Level 9999 no Nakamatachi wo Te ni Irete Moto Party Member to Sekai ni Fukushuu & "Zamaa!" Shimasu!

Light, betrayed and left for dead by his former allies in the Concord of the Tribes, finds himself in the perilous depths of the Abyss dungeon. Facing certain death, he activates his unique magical skill, the Unlimited Gacha. Initially useless, the Gacha now summons Mei, a stunning Level 9999 fighter in a maid outfit. Over three years, Light establishes a kingdom within the dungeon, continuously summoning more beautiful Level 9999 warriors who pledge their loyalty. Now a formidable Level 9999 Overlord himself, Light prepares to return to the surface. His goal: to systematically seek revenge on the individuals who betrayed him, fueled by his newfound power and the unwavering support of his loyal companions. The story explores themes of betrayal, revenge, and the power of second chances.