Debt Man's Harem Revolution ~Absolutely Obedient to the Sadistic Grimoire~

Crushed by debt, beaten down by loan sharks, and one failed quest away from a lifetime of slavery—G-rank adventurer Leon Crawford has hit absolute rock bottom. Clumsy, unlucky, and drowning in interest payments he can never hope to repay, his only "treasure" is the kindness of his childhood friend Misha and the scars that cover his body. Then, in a garbage heap behind the guild, he finds a book that shouldn't exist. She calls herself the Black Apocalypse—one of the legendary Seven Great Grimoi