S1 E4 de Last Hero Inuyashiki

Synopsis · When the fully tattooed yakuza criminal Samejima finds a girl he likes, he kidnaps them, drugs them up, and then roughs them up. Fumino was happy. She had a job and a fiance. But one night, Samejima sets his sights on her, and has his men kidnap her. Fumino manages to escape, and runs to her fiance Satoru's house, but Samejima is in hot pursuit. Inuyashiki comes to save them, but gets shot.

S1 E3 de Last Hero Inuyashiki

Synopsis · Shishigami is rattled to see Inuyashiki stand up from a blow that should have killed him before flying away. Seeing that, Inuyashiki knows that Shishigami has a robot body just like himself. After this meeting, Inuyashiki studies his abilities, and uses them to save others. Meanwhile, Shishigami confronts a group of delinquents who have been tormenting his best friend Naoyuki Ando.

S1 E2 de Last Hero Inuyashiki

Synopsis · Reborn a robot, Inuyashiki finds meaning by saving others. Meanwhile, high school student Hiro Shishigami has also been reborn a robot. Shishigami has no regard for anybody aside from his best friend and his family, and uses his robot powers to kill indiscriminately. Contrary to Inuyashiki, he feels alive when he is taking the lives of others. What happens when these two meet?