Disclaimer: I do not own Zatch Bell!!!! No matter how I want it, this series is not mine!!!
Prelude
7 years had passed since the last battle to determine the King for Mamodou world. As the new king Zatch and his queen Tio is about to claim their throne, a group of rebels lead by a mamodou named Djanna steals the Royal Crown's crystal, an essence of absoulute power of a demon king. Alhough Djanna had been captured and his group scattered, it turns out that he already sent the Crown's Crystal to human world via his vessel, which remains unknown until his death.
No matter what, the crystal must be acquired back, as it holds the very power of demon's world. However, opening a portal between two worlds is difficult without the crystal. Another 10 years passed until the new portal opened, and this mission is given to seven selected knights. However, they don't just realized who trailed them behind...
-To be continued-