Masked Rider Amazon

Fans the world over have long been enthralled by tales of Kamen Rider, the masked, motorcycle-riding superhero who protects the world from injustice. Kidnapped and experimented upon by the evil terrorist organization known as Shocker, Hongo Takeshi manages to escape their clutches and use his newfound strength to fight against their schemes. These are the first adventures in a legacy that spans dozens of television series and films, drawn and written by series creator and manga superstar Shotaro Ishinomori. (Source: Seven Seas Entertainment)

Shou Sorimachi is a seemingly ordinary young man who lives with his friends in a share house, but he is actually an experimental humanoid organism called an "Amazon" who escaped from the research institute of Nozama Pharmacy two years ago. When their urge, suppressed by the medicine given from the bracelet, awakens, the curtain of tragedy rises.