Greyson family lineage of heirs: Michael Greyson, Andrew Greyson, David Greyson, Lucas Greyson.
Kim family lineage of heirs: Kim Seo-Jun, Kim Min-Jun, Kim Brian, Kim Yoongi.
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The Greyson family and Kim family have been rivals for no less than three generations.
The Greyson family rules the West, but wishes to expand to the East. While the Kim family rules the East, but wishes to expand to the West.
The rivalry, unbeknownst to the Greysons, turned violent when David Greyson's grandfather lost his beloved wife and two children when he was just twenty five years old.
It was an accident.
An accident that was caused by Brian Kim's grandfather, but this fact was never found out by the Greyson family.
Michael Greyson, David Greyson's grandfather, spiralled. His grief made him run his