The war rages on! Outnumbered, Procel splits his main force and goes on the offensive...but will it be enough? A nightmarishly powerful monster awaits Quina and Rorono in the dungeon of the Demon Lord of Mucus. Meanwhile, a certain Ancient Elf is trapped in the labyrinth of the Demon Lord of Chaos...or is the Demon Lord trapped with her?

A mastermind's shadow looms overhead, and Procel intends to thwart any malicious plans! After saving Marco from near death, Procel swears to always be with her. As he enjoys a peaceful life for the first time in a long while, Stolas, the Demon Lord of Wind, faces her first war against a rookie demon lord. Unbeknownst to her, a trap awaits! When Procel attempts to join her battle, Stolas opposes: "This is my war and I'm going to win this on my own!"

Procel's dungeon utopia is threatened by the greed of their neighbors, but it's up to Wight to defend them. Whether he's up against a human or a demon lord, he must use all of his tactical skills to defend the peace of their dungeon. But fierce battles bring with them bitter losses--will the price of this dungeon war be worth it in the end?

After obtaining a forbidden power, Procel learns of a senior demon lord's plot against him. Unwilling to let another lord belittle his townspeople or force them to submit to outside rule, Procel plans a counterstrike against the oppressive neighboring town, Eklava. But as fear and despair grow, so too does Procel's untapped power as a demon lord. When he learns that his fellow demon lord, Marco, is facing an attack, he must put that new strength to use, beating back the oppressive force!

Procel has charged full-speed into his plan to save Marco, not only from the attack on her dungeon, but from her own fate. The Demon Lord of Creation is prepared to make sacrifices, big and small, even if it means he loses the respect of Marco herself. It's an emotional plea from Procel that shifts fate and begins to build a new future!

Construction on Procel's utopia is finally underway. But nothing seems to be going right for the young demon lord. Between negotiating with shrewd merchants, bestowing names on contracted monsters, and facing off against fellow demon lords, Procel has his hands full. Who knew building a city would be this difficult?

In a world where demon lords build dungeons and devour human emotions, one rookie demon lord, Procel, has a new idea. Procel seeks to build a revolutionary new dungeon where humans and monsters can coexist. But first, Procel must defeat the Wind Demon Lord. Based on the light novel series in Japan, this sexy fantasy tale has built something truly special!

When Balam, the Demon Lord of Darkness, reveals he had been pulling strings in Stolas's war and requests a collaboration, Procel launches on a mission to rid himself of the troubling Demon Lord. Why, what better way to deter the Demon Lord of Darkness than by filling his own city with light? As his countermeasure against Balam, Procel begins his city's newest project--a casino! Can his city full of smiles deter a surly fellow demon lord?

Procel, newly minted Demon Lord of Creation, faces off against an emerald dragon summoned by Stolas, the Demon Lord of Wind. Berserk with rage, Stolas will stop at nothing to defeat Procel. But even if he survives the battle, does Procel have what it takes to fulfill his vision of building a city-size dungeon in the forbidding landscape of this strange new world?

"In a world where demon lords build dungeons and devour human emotions, one rookie demon lord, Procel, has a new idea. Procel seeks to build a revolutionary new dungeon where humans and monsters can coexist. But first, Procel must defeat the Wind Demon Lord. Based on the light novel series in Japan"--Publisher marketing.