Narumi, a man out for revenge with the powers he received and a bit of help from the one who saved his life, he creates the persona of Skull Soldier and attempts to discover who really killed his sister.
Though he has come from a rough background on the streets, Muraki (Horoki Matsukata) quickly rises through the ranks by means of his well-honed blackmailing instincts. Desperate to keep rolling with his freewheeling lifestyle, Muraki sees his luck begin to crumble when he sets his sights on the business partners of a powerful gang boss.
