Mercurius (メルクリウス)
Background
Although his position could be considered that of a mentor and a father, the other LDO members—with the exception of their master—shun him as a hateful taboo. His whereabouts have remained a mystery for the past six decades.
(Source: VNDB)
Published Manga
Published Anime
Dies Irae: Reimei
Anime May 2024