User blog comment:Ixarising/Rating Games pairing you want to happen in the story./@comment-71.108.70.155-20131127185241/@comment-1359322-20131130084714

No the 2nd one is Rudiger Rosenkreutz, a former magician, current 7th ranker of Rating Games and Ultimate-class Devil like Tannin.

Appeared briefly in Volume 10.