“Death is only the beginning.”

Truer words were never spoken for young Leon von Marbas, the heir to a once-great house of necromancers. Forced to execute his own father by the lord of a rival house, Leon suddenly finds himself the leader of a declining clan under threat from enemies within and without. The only way to restore the glory of his house? Leon must strike a pact with the demon Marbas, the original source of the powerful necromancy that House Marbas was once known for…

(Source: WEBTOON, edited)