Welcome to the world of High-school dxd where Rias Akeno Issei Koneko Asia Gaspar Irina Kiba and Xenovia differ a bit from the main Storyline Along with Serafall Leviathan Ravel Phoenix. Reunite under a fourth forgotten household that was the first to fall in the war of the three sides between the Devils and the two angels The household of Bluerose Rias' friend and fiancé Cobalt blue rose Alive and well had a staggering proposal to unite all four under 1 ironclad Rule.