Supersonic Sleipnir!

Supersonic Sleipnir! is an anime episode of Aesthetica of a Rogue Hero that was released on 08/10/2012
Aesthetica of a Rogue Hero
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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.
— FUNimation

Plot Summary

Nanase: Your bike is perverted just like you!
Nanase: Your bike is perverted just like you!

In a hotel, Kyouya appears, and a man is worried about him and his job. Kyouya points to a frozen man, and the man tells everyone to raise security. Meanwhile at Babel Academy, Nanase tells her group to protect the school which would benefit them. In Akatsuki's class, he dozes off during exam time, and the teacher picks up his test. He is amazed that all the answers are all correct. After the test, Akatsuki sees Myuu disappointed with her test scores. Kaidou appears and asks for Akatsuki who has forgot about Kaidou's name. Kaidou wants Akatsuki to meet his friend. Myuu and girls leave Akatsuki to get something to eat. Later, Kaidou leads Akatsuki to an auto shop and to a race track. Kaidou explains that they carry out experiments, and he introduces Akatsuki to a man who ignores them. Kaidou asks him to let Akatsuki try the motorcycle. Akatsuki touches the motorcycle which electrocute him. The man calls it, Sleipnir. Kaidou explains that the motorcycle will reject the unworthy. Akatsuki asks Kaidou why he would he risked his life, and Kaidou states that they are men. The man states that Akatsuki's father rode Sleipnir. Akatsuki grits his teeth as he finds out that the man knew his father and that the motorcycle accepted his father. Akatsuki attempts to ride the motorcycle.

Elsewhere, Nanase arrives to the tracks and sees Akatsuki riding the motorcycle that is going supersonic speed. Akatsuki and Kaidou bump fists, and Nanase tells Akatsuki to come with her to the guidance office because he did not submit a request to the student council. The man tells Nanase to let Akatsuki go, and he tells Akatsuki that the bike is his. When Nanase tries to confiscate the bike, she gets shock, and her clothes strip off. She receives a call about the commercial district. Akatsuki throws his jacket towards Nanase, and Nanase blushes a bit. She tells him that she is grateful and will return it later. She flies off.

Little girl looks back at Akatsuki
Little girl looks back at Akatsuki

Later, The Secret Dusk terrorists have hostages at gun point, and Nanase and the others head towards the terrorists. Chikage and the others listen to the news, and the terrorists demand their comrade. Nanase and her teammates arrive, and Ryouhei asks Nanase about her uniform. Nanase and the other infiltrate from the rooftop and begin burrowing down while knocking the terrorists out. Minami uses her earth magic to create a barrier to protect the hostages, and Nanase and Ryouhei attack the terrorists. However, one terrorist grabs one girl and threatens to kill her. On the roof, three men have Nanase's group in the corner. Nanase orders the helicopter to lower. When the helicopter lowers itself down, the little girl cries; Akatsuki comes out of nowhere and beats the man while rescuing the ltittle girl. Nanase scolds Akatsuki for being reckless, but Akasuki states that he cannot let a girl's tear go unanswered. The little girl reunites with her mama, and the mother thanks Nanase. The little girl looks at Akatsuki who walks away. Then, a terrorist tries to blow up the building, and Kaidou approaches the man. He comments how Babel Student Council and Akatsuki fail at capturing all the guys. A loud scream is heard afterwards.

At Akatsuki's home, Nanase rings the doorbell and hands Akatsuki's jacket to Myuu. Myuu asks Nanase if she wants to have dinner with them, yet Nanase declines. Nanase blushes and wonders what is wrong with her.

Points of Interest

  • Sleipnir is made of Orichalcum. Its maximum output is 16,770,00 horse power. It can break the sound barrier.
  • Ousawa Gouki is Akatsuki's father who rode Sleipnir.


  • Akatsuki: "Whether she's an adult or a child, I can't let a girl's tear go unanswered."


  • Japanese Name: "Chōonsoku! Sureipuniru" (超音速!スレイプニル)
  • Opening Theme: "Realization" by Faylan
  • Ending Theme: "Ai no Sei de Nemurenai" by Aki Misato

Characters & Voice Actors

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Kyouya Hikami ( x ) ( x ) ( x )
Takahiro Sakurai ( x ) ( x ) ( x ) (Japanese)
Haruka Nanase ( x ) ( x ) ( x )
Marina Inoue ( x ) ( x ) ( x ) (Japanese)
Minami Aihara ( x ) ( x ) ( x )
Ayana Taketatsu ( x ) ( x ) ( x ) (Japanese)
Ryouhei Uesaki ( x ) ( x ) ( x )
Chikage Izumi ( x ) ( x ) ( x )
Kana Ueda ( x ) ( x ) ( x ) (Japanese)
Kuzuha Doumoto ( x ) ( x ) ( x )
Kana Hanazawa ( x ) ( x ) ( x ) (Japanese)
Miu Ousawa ( x ) ( x ) ( x )
Yōko Hikasa ( x ) ( x ) ( x ) (Japanese)
Akatsuki Ousaka ( x ) ( x ) ( x )
Nobuhiko Okamoto ( x ) ( x ) ( x ) (Japanese)
Kaidou Motoharu ( x ) ( x ) ( x )
Atsushi Abe ( x ) ( x ) ( x ) (Japanese)


Add a credit to Supersonic Sleipnir!. (No voice actors. Add voice actors to characters above.)
Tetsuto Uesu Original Concept Tetsuto Uesu is the original creator of Hagure Yuusha no Estetica Light Novel.
Hiroshi Tsukada Character Artist/Designer Hiroshi Tsukada is the illustrator of Hagure Yusha no Estetica characters.
Rion Kujo Director


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