Gaku Tojo was cast into hell for a crime he never committed.

Framed as a murderer, he was thrown into prison, his life stolen in an instant.

His parents fought desperately to clear his name—only to be brutally killed in a cold-blooded plot engineered by the true mastermind behind the case.

Standing at the edge of despair, Gaku embraced a form of “madness” born purely from the need to survive.

Inside the prison’s merciless walls, he met violence with violence, striking back with ruthless precision.

Before long, his icy resolve and unflinching brutality turned him into a name every inmate feared.

—And then, he escapes.

After a life-or-death breakout, Gaku begins to uncover the truth behind his parents’ murder and the vast conspiracy that destroyed his life.

Who was the real killer behind that case?

And will Gaku Tojo be willing to sacrifice everything to finally claim his revenge…?!