Kiyohiko Ueki

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

Dormant, experimental cells begin to awaken inside their human hosts, turning them into creatures called 'Amazons'. Two Amazons- Jin Takayama and Haruka Mizusawa- transform into Kamen Riders Amazon Alpha and Amazon Omega, aiming to exterminate the growing threat.

Hyuga began his career with a website he built out of interest. Later, he developed an IT company and became a billionaire while Makoto encountered a lot of hardships in job hunting. Their personalities were radically different. Even though they faced a lot of conflicts ever since they first met, they were gradually attracted by each other and went through a lot of things together.

High school student, Kamishiro Yu doesn't fit in and is constantly bullied; fed up with the abuse Yu secretly trains in boxing and takes revenge on those who once bullied him. Eventually Yu's defeats call the attention of the local thugs, and Yu soon finds himself forced to keep fighting in order to keep his place, his holyland.

Due to an event, Kurome Sui has been living as a hikikomori for the past 10 years since the age of 18. However, her life begins to change after she receives an invitation to a high school reunion and meets popular novelist Kumon Ryuen.

After winning his first competition, Takumi focuses his attention on drift racing, a sport he has unknowingly perfected while delivering tofu in his father's Toyota AE86.