Vengeful Villain Slayer

Kazuki witnessed the brutal murder of his adoptive parent at the hands of vile criminals. Weak and helpless, the young boy could do nothing but swallow his own powerlessness. "Tokyo Makai", a distorted, lawless realm fused with a parallel world, is a place where the wicked thrive and evil is rewarded. And now, after losing his parent, Kazuki is about to lose his beloved younger sister, Akina, to that very same evil. When his hatred for these villains reaches its boiling point, an ominous deity appears before him, granting him a mysterious power: <Villain Slayer>... A unique job that slaughters only the evil, and grows stronger with every villain slain. Hiding his fury beneath a mask, Kazuki reaps the guilty with his pitch-black scythe, the "Villain Scythe." To save his sister Akina, the lone avenger's relentless hunt begins!