Hagure Yuusha no Estetica

Also known as:  Hagure Yusha no Estetica, Aesthetica of a Rogue Hero, Estetica

The TV anime series Hagure Yuusha no Estetica is created by studio ARMS, based on a supernatural light novel series by Tetsuto Uesu. 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, along with Myuu - a beautiful girl who is the daughter of the demon king Areizaado. (based on ANN synopsis)

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Producers, official website and other details: AniDB, ANN, Wiki