Since contact with Regis and Seira has been lost, Regis's grandfather, Gejutel, heads to Japan on Raskreia's orders. Once he arrives there, he unexpectedly runs into Frankenstein and Raizel. Who were the Frankenstein and Raizel that Gejutel knew in the past? Are their true identities finally about to be revealed?
It's a title bestowed only upon 
the thirteen household heads
إنّه لقب يُوهب فقط لأرباب ثلاث عشرة أسرة
Es ist ein Titel, den die dreizehn Hausherren
mit dem höchsten noblen Blute tragen.
C’est un titre donné uniquement
È un titolo riservato ai capi dei tredici clan
É um título dado apenas aos
líderes das treze famílias
Этот титул дают только главам