The legendary 'Call of God' appeared in the 'Emperor of God', the Hughes Empire, in the continent of Olivis. According to legend, whoever can get it will be the master of the continent. The Saint Yis Empire and the Lion Empire on the same continent launched a series of killings to compete for the dominance of the continent. When they were looking for the 'Call of God', they thought that the arrival of uninvited guests broke the stalemate between the two empires. In the end, they realized that all this was just a scam, and the real killings had just begun...