Act Like a Boss Monster, Mr. Swallow!

The Primordial Core’s an unconquerable dungeon, the lair of the most powerful monster ever to exist, the Original Monster, the incarnation of evil—Swallow... who happens to be a lazy boss monster who just wants to sleep. Taking care of this lazy bum is Renee, a homunculus maid whose obsession with…

• Format: MANGA
• Status: RELEASING
• Score: 71/100
• Genres: Action, Fantasy

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