Plot

Jin and Kouga may come from very different walks of life, but both boys are searching for the real meaning of justice and what it means to be a hero.

Jin and Kouga may come from very different walks of life, but both boys are searching for the real meaning of justice and what it means to be a hero. Jin may be poor, but he lives a happy life with his grandfather, until the day tragedy strikes and changes his life forever. Kouga, born into a wealthy family, is in line to inherit his family's power and fortune. But what is true strength? What does it really mean to be human? Jin and Kouga's fates intertwine in their struggle to harness the power that lies within each of them.—VIZ Media

The story starts off with a face-off between two rival heroes, ZET and ALPHAS, and then traces their origins - Jin Kanzaki, a young man with the ability to transform into a superhuman being known as ZET, and Kouga Amagi, a young man with a strong sense of justice who uses technology to fight as ALPHAS. The fates of these two men and those around them intertwine as they fight to protect mankind and destroy monstrous abominations known as Players, who ironically are the creations of the Amagi Corporation, the company founded by Kouga's grandfather, Mitsugai Amagi.—ytv ENGLISH

There are two forces in the world: the Zet, who are entrusted with the survival of humanity, and the Alphas, who have chosen an extreme form of justice. In a certain city, Jin lives under a bridge with an old man, struggling to pay off debts. He carries the destiny of humanity's survival. Kouga lives on a hill and stands to inherit vast wealth. In his admiration for heroes, he seeks out the meaning of justice. They don't know it now, but they are destined to one day meet.—Anime News Network

Jin and Kouga may come from very different walks of life, but both boys are searching for the real meaning of justice and what it means to be a hero. Jin may be poor, but he lives a happy life with his grandfather until the day tragedy strikes and changes his life forever.—RetroCrush