Thread:ShadowRyu Kei/@comment-27090820-20151107074709/@comment-25942629-20151107135948

I believe it is called "Volume 8.5" and was released in Japan. It's a guidebook that has a lot of character information in there. When you look at the character pages on here, the information about likes and dislikes in the trivia sections, blood types, birthdays, etc. all come from there. However, it has not yet been released in English.

I believe we should wait to make pages for them until they debut in the English manga or LN because the official English spellings might be different. This has happened with Yuuichirou/Yuichiro, Glen/Guren, Michaela/Mikaela, Kururu/Krul, and probably others with unofficial net translation/official English translation. If the name is spelled differently, we'd have to go and correct it all over the Wiki. For now, you could mention them on the vampires' page under the progenitor section, though.