Way beneath the Overworld, in the Underground Empire “Jeojeojeo“, the 17th Great King’s sudden declaration about leaving the throne, a contest is announced and the winner will get to be the new Gre...more

Way beneath the Overworld, in the Underground Empire “Jeojeojeo“, the 17th Great King’s sudden declaration about leaving the throne, a contest is announced and the winner will get to be the new Great King. The Rank A prisoner, a dethroned half prince named Jet follows his father’s command and participates in this but…