A war that never ends (rewritten)

A person named kaizen akashi becomes an antihero to save his culture or his powers which were super strength , super speed regeneration and body manipulation . He starts doing bad things like eliminating police officers and threatening government officials because there has been a war going on for 4 centuries between his family and the government officials . Ryosei , a police officer tries to stop this by creating an organisation known as anti kaizen organisation or the ako