"Overlord a la Carte" is a spin-off manga series based on the popular "Overlord" light novel and anime franchise. The story is set in the same universe but takes a comedic and slice-of-life approach, diverging from the main series' darker and more action-oriented tone. The narrative centers around the daily lives of the inhabitants of the Great Tomb of Nazarick, particularly the Floor Guardians and other NPCs, as they navigate their roles under the rule of their supreme leader, Ainz Ooal Gown.

The manga explores the quirky and often humorous interactions between the characters, highlighting their unique personalities and dynamics. Ainz, the skeletal overlord, is portrayed in a more lighthearted manner, often finding himself in absurd or awkward situations as he tries to maintain his image as a fearsome ruler while dealing with the eccentricities of his subordinates. The Floor Guardians, such as Albedo, Shalltear, Demiurge, and Cocytus, each bring their own brand of humor and chaos, often misunderstanding Ainz's intentions or taking his casual remarks to extreme lengths.

Episodic in nature, the series features self-contained stories that delve into various aspects of life in Nazarick. These include attempts at cooking, misunderstandings about human culture, and the Guardians' efforts to impress Ainz, often leading to comedic mishaps. The manga also introduces original scenarios and gags that expand on the personalities of the characters, providing a fresh perspective on the familiar cast.

The artwork maintains the distinctive style of the "Overlord" franchise, with detailed character designs and expressive facial expressions that enhance the comedic tone. The humor often stems from the contrast between the characters' fearsome appearances and their mundane or exaggerated reactions to everyday situations.

"Overlord a la Carte" serves as a companion piece to the main series, offering fans a lighter and more humorous take on the world of Nazarick. It provides an entertaining exploration of the characters' lives outside of the main storyline, making it an enjoyable addition for those familiar with the franchise.