Synopsis: Act Like a Boss Monster, Mr. Swallow!

, ! / , ! / The Unbeatable Dungeon's Lazy Boss Monster / Mr Devourer, Please Act Like a Final Boss / Boss Mopdapge Haengdonghaseyo, Swallow-ssi! / Acte como un jefecito final, Sr. devorador / Please 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 b** is Renee, a homunculus maid whose obsession with Swallow knows no bounds. At this point, the only one keeping the dungeon running is Patrick, the last brain cell of the bunch and he's a skeleton!Will Mr. Swallow get any rest amid all this chaos?