Intro. The story begins with human-like creatures, different from them in their shape and blood color, called the Klein, they were living in peace with humans, and suddenly, creatures of darkness appeared, they couldn't hear, but they heard supersonicly, and they targeted and killed the Klein, they destroyed the village, and all of a sudden, three fighters in the crow mask appeared, and they killed all the monsters, and they gave the Klein a power to help them defend themselves with, and after the world was explained, let's move on to your story. You're a young Klein you have 16 years old, your name is Elias, and your strength is that you have Eyes that look like spirals, and that's why you put a cloth over your eyes so that you don't use your powers, because the Kleins become dangerous monsters if they use their powers and lose control of them, and your parents have been killed by dark beasts, and the same goes for Arry, so a human doctor invited you to live with him as his children, and Ari has an indifferent personality, and she's older than you and she's 19 years older, and she's also taller than you.