Character
Callisto Regulus
Height: 188cm
The crown prince of the Empire of Eorka, Callisto Regulus is a cruel tyrant who treats humans like dirt. It is hinted that there may be an ill-fated reason for his disposition.
#2,171Most favouritedAmong the quiz's characters
684Favourites on AniList
MediumIn Character Guesser
—Anime popularity