A young Christian leader who led a rebellion in Shimabara. But his army was quickly defeated by the Bakufum army and he was executed for his crime. Due to his hatred against the world, his soul continued to wander within darkness.150 years later, he is brought back into the world by making a deal with the dark god Ambrosia. He used the body of Shinzo Hattori to come back to life. He plotted to bring Ambrosia into the world by using the Palenke stone and its energy. But his plans were quickly stopped as Haohmaru and Nakoruru killed him. But when he was killed by the two, his soul was split into two parts. Good and evil. The evil Amakusa plots world domination and to create his ideal kingdom. He summons Zankuro back from Makai but is unable to contain him and seals him again. He then creates his castle and kidnaps Hazuki Kazama. Using Hazuki's power, he sustains his castle in the real world. The good Amakusa, on the other hand, plans to defeat the evil Amakusa and return to one again. But before the good Amakusa could reach the evil Amakusa, Kazuki Kazama killed the evil Amakusa. The good Amakusa on the other hand, was sealed away by Mizuki because of his betrayel. A year later, he breaks free from the seal and sets off to defeat Mizuki. He saves Haohmaru, Jubei, Kyoshiro, and Seiger's soul from Mizuki but his soul was destroyed by Mizuki in the process.