Yaci is one of the
most dangerous thugs wandering around the streets of the prison island
of Riten Kyo. Being a free-lancer bodyguard, Yaci and his friend in crime,
Haito Kanakura, always roam the villages of Riten Kyo in search of a well-earned
job. More than the money, Yaci likes to make his opponents suffer.
the agony and pain his enemies may present, and afterwards, he drains his
foes from their blood, and drinks it up. A bloodthirsty villain, Yaci,
however, still presents human traces. After he met his girlfriend, Namino,
Yaci has vowed that one day, he will end his life of crime and blood drinking,
and escape with Namino, far away from the cursed island of Riten Kyo. In
order to do so, he has decided to move up in the Riten Kyo scale, and become
as powerful as the Razor Trio, or the Bafuku government.