Klancain

Japanese name:

クランカイン

The eldest son of Count Cruhteo, who arrives from Mars with the interest of meeting Slaine. Unlike his father, he's rather humble and friendly, but also sharp and perceptive. He's still loyal to the Emperor and saves Asseylum from being killed by assassins. He helps Asseylum have one last talk with her grandfather spoiler and becomes his betrothed to help her cement her position as Empress and to make peace with Earth.