Hagure Yuusha no Aesthetica (anime)

Shortly after the defeat of the Last Dark Lord, young man Akatsuki Osawa seeks to return to his own homeworld. Gifted a special ability while roaming the mystical lands of Alayzard he has yet one more mission he would like to fulfil. As he returns back to the familiar face of Earth he, together with Myuu are summoned by an organisation named Babel, where, at their instutation, Akatsuki, and Myuu are prompted to further develop their abilities.