Ichiro Inuyashiki is an ordinary office worker who feels invisible to his ungrateful family. After being diagnosed with terminal cancer, he is struck by a crashing UFO and his body is rebuilt into a powerful robot. He discovers his new abilities when he s
Reborn as a robot, Inuyashiki finds new purpose by using his powers to save others. Meanwhile, high school student Hiro Shishigami has also been transformed into a robot - but unlike Inuyashiki, he feels alive only when taking lives. He kills indiscrimina
Shishigami is shaken after witnessing Inuyashiki survive a lethal blow and fly away, realizing they share the same robotic body. Inuyashiki begins mastering his abilities to help people, while Shishigami turns his powers on a group of delinquents who have
Tattooed yakuza criminal Samejima has a pattern of kidnapping young women he desires. When he sets his sights on Fumino - a woman with a job and a fiancé - she manages to escape and flee to safety. Inuyashiki rushes to protect her and her fiancé, but is s
Ando struggles with the knowledge that his friend Shishigami is behind a string of deadly home invasions. After learning of mysterious hospital cures, he tracks down Inuyashiki and asks him to stop Shishigami. Meanwhile, Shishigami receives devastating ne
With his face now on wanted posters, Shishigami takes refuge at the home of classmate Shion Watanabe, who has feelings for him. Inuyashiki trains his abilities with Ando's guidance. After seeing Shishigami's mother publicly apologize on television, both A
Believing in Shishigami's innocence, Shion is confronted with the truth when he confesses everything - that he is a robot, and that he has killed many people to feel alive. Though he coldly declares he will kill everyone in Japan, Shion's tearful plea giv
A special forces team raids the hideout, and Shion and her grandmother are caught in the crossfire. Shishigami saves them before slipping away, quietly wishing Shion a happy life. When Mari spots her father with Ando and witnesses Inuyashiki fly into the
Shishigami hijacks a broadcast and publicly declares war on Japan, threatening to kill 100 people immediately. Ando and Inuyashiki manage to intervene and prevent the massacre - but Shishigami is undeterred, announcing he will kill 1,000 the following day
The day after the Shinjuku killings, Shishigami begins dropping airplanes onto the city. Inuyashiki intercepts several crashes with Ando's guidance - but discovers Mari is trapped inside a burning building. As he races to save her, Shishigami appears and
