Book Of Evil's Curse

There are seven Prince of Underworld. Lucifer, the Prince of Pride. Belphegor, Prince of Sloth. Mammon, Prince of Greed. Beelzebub, Prince of Gluttony. Satan, Prince of Wrath. Leviathan, Prince of Envy and Asmodeus, Prince of Lust. They have their own districts that they rules but all of them is under Hades一God of Underworld and known to be their King. One day, Hades himself announced that he have a long-lost daughter and before the another mating season ends, they need to find her. Also the one who will found Hades' daughter will be given privilege to mate with her and spur seeds to give birth in the new King of Underworld. The seven of them have only seven-hundred-thirty days to find the Princess of Underworld but they don't have any clue of who could be her or where would she be at. And based on the reports by their each sources, the Princess is in Earthland. Where the foolish and coward humans live.