Hiroyasu along with his 4 "siblings"- Haku, Mark, Amato, and Nashi- are not siblings by blood or in other cases, not even human at all... They were born as "experiments". Their so called "father" made experiments in cloning human bodies and also giving them powers so that he will use them as weapons to those who are against him. Their father Stein- a great professional scientist- of course succeeded. Not long after, he figured out his only mistake. Hiroyasu.... Unlike the other children he had made, Hiroyasu never obeyed his orders, nor even posses the right amount of power he needs. He had too much... Hiroyasu then realized that he was a mistake of his so called father and left home, not wanting to be a problem in the family... He succeeded to have jobs... Friends... And even a lover... But everything fell apart when his siblings came to him with their conditions...
12 parts