Sleepy Princess in the Demon Castle - Recommendations

Alt title: Maou-jou de Oyasumi

If you're looking for anime similar to Sleepy Princess in the Demon Castle, you might like these titles.

Princess Arete

Princess Arete

Innocent, naive, and locked in the castle tower since birth, Princess Arete wants nothing more than to escape the royal life and live as the commoners live, and to see things that she has only dreamed about in her books. One day, her wish is granted -- though under less than ideal circumstances -- by the sorcerer Boax, who charms her into becoming his wife. On his flying machine from the days of magic, Arete embarks on a mystical journey full of discovery, enlightenment, and wonder beyond belief...

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The Heroic Legend of Arslan Specials

The Heroic Legend of Arslan Specials

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How NOT to Summon a Demon Lord: Omega

How NOT to Summon a Demon Lord: Omega

After being summoned to another world similar to the game he used to play, Diablo lives a tumultuous life in this new world after he finds himself the unwitting master of Rem the Pantherian and Shera the Elf; and now, even the Demon Lord-turned-young-girl Klem obeys him! One day, Diablo ends up rescuing a holy woman who was being pursued by a Paladin, and she turns out to be the most important person in the Church. Befriending her, Diablo and the others act as her escorts until they reach Zircon Tower deep in the Demon Lord’s territory. After arriving in a new town, more difficulties arise, ultimately culminating in the appearance of a gargantuan monster attacking them! Is the self-proclaimed Demon Lord becoming a guardian deity for a follower of the Gods!?

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The Seven Deadly Sins: Imperial Wrath of the Gods

The Seven Deadly Sins: Imperial Wrath of the Gods

The Seven Deadly Sins may have ended the tyranny of The Ten Commandments for now, but that doesn't mean all is peaceful in the kingdom. Separated from the rest of The Sins, King and Diane strike a deal with former Commandments Gloxinia and Drole, and agree to undergo special training--which sends them to a Britannia 3,000 years in the past, right before the end of the Holy War! Can the pair navigate this strange past--and a threat more powerful than The Ten Commandments?

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The Seven Deadly Sins: Revival of The Commandments

The Seven Deadly Sins: Revival of The Commandments

Only six of the Seven Deadly Sins have been located so far, so our heroes travel to the kingdom of Britannia to find the final missing member of their group. New adventures await them, along with powerful new adversaries: an elite group of demonic warriors known as The Ten Commandments!

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Kyo Kara Maoh! 3rd Series

Kyo Kara Maoh! 3rd Series

It is not easy trying to juggle being both a high school student and the Demon King of another world, but Shibuya Yuuri is trying his best. With Yuuri’s family on Earth driving him mad and everyone in Shin Makoku up to their usual antics, everything has returned to normal – but not for long. Behind the scenes, all is not peaceful as there are those within the ten noble families that seek to replace Yuuri as Maou with someone who doesn’t disappear off to another world for weeks on end. With his coming of age ceremony approaching, can Yuuri convince those who doubt him that he is fit for the job?

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The Misfit of Demon King Academy

The Misfit of Demon King Academy

Anos Voldigord was a tyrannical Demon King that eradicated humans, spirits, and even the gods, but became bored of eternal warfare and reincarnated with dreams of a peaceful world. However, what awaited him in reincarnation after 2000 years were descendants who became too weak after being accustomed to peace, and all sorts of magic that deteriorated to the extreme. Anos enters Demon King Academy that gathers and educates those who are viewed as the reincarnation of the Demon King, but the academy could not see through his true powers and ends up branding him as a misfit!

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The World God Only Knows: Flag 0

The World God Only Knows: Flag 0

Docrow Skull and her team are hard at work at the Law Enforcement Bureau, tracking down lost souls, when Elsie arrives, late as ever, wanting to know if the rumors about a human who can capture the heart of any woman are true...

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The Heroic Legend of Arslan OVA

The Heroic Legend of Arslan OVA

Hiromu Arakawa is supervising the "original DVD," which will feature "another comedy story" that takes place in the middle of the war. In the story, Gieve gives Arslan a love lesson, and the romances of Daryun, Narsus, and "that hero" are also revealed.

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Demon Lord, Retry!

Demon Lord, Retry!

On the night of his favorite game’s shutdown, Akira Oono awakens in the body of his online character: Demon Lord Hakuto Kunai. He’s not the most confident guy ever, and he’s traveling with an injured young girl. But with powerful game mechanics and abilities on his side, this gamer turned badass plots his course through a diverse new world filled with saints, demons, and charming companions!

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