If You Put a Collar on the Demon King

Luciella was oppressed and executed by the human king, Leweitz, as a heretic born between a demon and a human. Returning just before her death, Luciella decided to take revenge on Leweitz and headed to the demon realm. There, she met Dylan, a boy who would one day succeed him as Demon King. Luciella decided to use Dylan's powers for revenge, but as he grew older, Dylan's feelings for Luciella turned into obsession...
This story is fiction. It is not related to any real people, organizations, or events.

Original Webtoon:
LINE Manga, ebookJapan