In a society where the government rules with an iron fist, a rebellion named the Underworld stepped up to fight against their wrongdoings. After months of raiding, the Underworld found the government's darkest secret; Parasytes. These parasites, dubbed Parasytes, after latching on to a capable host grants the host superhuman-like abilities, though the threat of them completely taking over is a constant possibility. Duoed with these parasytes, the fight against the government began to reach a crescendo, however, with the government endorsing elite superhuman teams of their own and parasyte savvy tech, the battle is yet to be won. Follow Alard, whose family fell victim to the government's system as he seeks vengeance. Will he survive merging with a rare parasyte and end the government's tyranny as an agent of the Underworld? Only one way to find out.

The year is 2212. Humankind brushed their fingertips upon divinity. Capable of being programmed to remove cancer, heal Alzheimer's, and even cure old age, nanomachines are the heralds of a new age for mankind. But in their eagerness to improve beyond what was necessary, they made a tragic mistake. Now the "Rust" sweeps over the land, changing anything and everything in its path into hellish landscapes of flesh, spare parts, and human organs. A young girl wanders the empty streets of what used to be a bustling metropolis. At night, her dreams take her beyond: To an icy settlement trying to brave the colds of Antarctica amidst dwindling supplies. To an offshore rig colony tossed by the seas while trying to fend off pirates. To an underground dictatorship trying to maintain control over a panicking populace. The girl tries to survive, find meaning and hope in the face of a slowly encroaching wave of terror.

Mikasa lay there, her parents dead around her. But salvation came in a most unexpected form. A monster hunter, took her, a vampire, in, wrapped his scarf around her and promised to protect her. That day she made a vow, she would grow strong, so that one day, she could repay him.