The seemingly perfect life for easygoing teenage student Shiro ends when a bloodthirsty clan, glowing red with fire, try to kill him in the streets. Unknown to Shiro, he is suspected of murdering a clan member and needs a miracle to escape their vengeance. Then a young man named Kuroh Yatogami intervenes and aids him in safely getting away, only to reveal he's also after Shiro's life. A hunted man now, Shiro must evade the clans of seven powerful kings while desperately trying to prove his innocence.