The features talk between Aura, Albedo and Shalltear. This sidestory accompanied Overlord manga volume 1.
The story is about Ainz sending a Death Knight as his emissary to interview each of the floor guardians, and we get a glimpse into their living environment and thoughts.The setting is a few days after Nazarick was appeared to the New World. Ainz took 12 books from the library which pertains to tips on how to be a good boss, of which 2 are "How to be a good superior" and "Things to avoid as a superior". After learning that the guards of his room had been on duty for 25 hours straight, Ainz was reminded of HeroHero's work environment and decided to interview the floor guardians to know them better. Plot unfolds between volume 1 and 2.
Holy Kingdom is besieged by the army of 40,000 demihumans. Under the command of Remedios, the strongest Holy Knight of the Holy Kingdom, a defensive strategy is carried out, but the exhausted human army can not stop the demihumans onslaught. To fulfill his promise given in a king capacity, Sorcerer King Ainz confronts the Demon Emperor Jaldabaoth and his devil maids alone only perish in a flames of battle.
The Holy Kingdom torn by a flames of warfare will be relieved by the power of justice.
A story describing the casual day of the Pleiades during their off time in the Sorcerer Kingdom of Nazarick. Plot unfolds between volume 9 and 10.
Ainz with Aura and Shalltear is traveling to the country of Dwarves sieged by Quagoa tribes. Ainz promises to recapture the Kingdom of Dwarf in exchange of bringing Rune Smiths into a Sorcerous Kingdom of Nazarick. Even the strongest of Frost Dragons are bound to witness might of Nazarick and Ainz Ooal Gown himself.
Demon Emperor Jaldabaoth united scattered beastmen tribes into coalition attacked the Holy Kingdom, a prospering peaceful country protected by sturdy defensive walls. Unmatched power of ruthless Jaldabaoth throws Holy Kingdom into crisis. The liberation army representatives seeking salvation to people travels to Sorcerous Kingdom led by Ainz Ooal Gown to request help from adamantite ranked adventurer Momon of the Darkness.