The story follows an international training organization named Babel which protects the young people returning from another world. A wayward hero named Akatsuki has come back to the real world from a world of sword and magic called Areizaado, alongside a beautiful girl who is a demon king's daughter.
Queen's Blade Rebellion VS Aesthetica of a Rogue Hero
A New Combat Suit?
How To Be A Mature Woman?
Bonds of Holy Water, Student Council Edition
Mixed Bath on the Shore
Ranking Battle Side Story - Another Sexy Version
The Beautiful Demon Warrior, Miu
Opening Theme - Realization
Song by Faylan
Ending Theme - Ai no Sei de Nemurenai
Song by Misato Aki
A Strong, New Game
Having vanquished the Demon Lord Garius, Akatsuki Ousawa bids farewell to the world of Alazyard and returns to his home world. His epic adventure has actually only just begun, though...
Holy Water Bond
Akatsuki and Miu attend their first day of school at BABEL. While Miu tries to fit in with her new environment, Akatsuki manages to get on everyone's bad side.
To Become an Adult
Because of Akatsuki's antics, the student council has threatened to send Kuzuha back to elementary school unless she spies on him. Meanwhile, Onizuka hatches a plan to get back at Akatsuki.
The Hero's Back
Akatsuki uses his newfound sword to battle the powered-up Cockatrice. Meanwhile, Miu starts to come to terms with her father's death and powerful COCOON members hold a secret meeting.
A Day We Spend in the Weekend
Miu visits a shopping mall for the very first time to buy some new underwear. But hijinks ensue when Akatsuki gets a little more involved than he should...
Supersonic Speed! Sleipnir
Akatsuki attempts to ride the fabled Sleipnir motorcycle. Meanwhile, terrorists strike in the heart of the city, and it's up to the student council to stop them.
Panic at the Beach!
While Akatsuki and friends participate in a game of Beach Swimsuit Tag, powerful figures in Alayzard hatch a plan to find and retrieve Miu.
Babel's Ranking Tests Commence
As the school-wide ranking battles begin, all eyes are focused on Akatsuki and Miu. Even Kyoya and the student council are eager to show Akatsuki who's boss!
On a Night with Such a Beautiful Moon
After the BABEL ranking matches are suddenly thrown into chaos, Phil Burnett arrives from Alayzard to retrieve Miu.
Where I Belong
In the fantasy world of Arezard, the rogue hero Akatsuki - at the request of the defeated Demon King - agrees to protect his fallen enemy's daughter, Miu, and return with her to the world from which he came.
Having been outclassed by Akatsuki, Phil uses his trump card and transforms into a giant dragon! Akatsuki's friends and the student council members struggle to buy time until Akatsuki can fully recover from Phil's poison.
The World is Watching You
Akatsuki defeats the dragon and everything goes back to normal like before. Soon he finds out the other world is in grave danger (Alazzard) Just before Akatsuki, Miu, Chikage, Minami are about to leave Vice President Haruka and Kaidou comes at that moment and joins them on their journey.