Watch Taiyou no Mokushiroku: A Spirit of the Sun Online

An evil alien life form, Dryus, assaulted the Earth. The leader of Space Patrol, Fighbird, pursed Dryus to the Earth. Fighbird combined with an android that Dr. Amano was developing. Fighbird named Hidori Ryutaro and fight against Dryus to protect the peace of the Earth. At first look, he was a normal person, but because he was an alien, Fibird, his acts were a bit away from the normal persons'. Usually, he worked for Dr. Amano as an assistant. He looked uncouth always wearing while coat and glasses. However, once enemy appears, his personality changed dramatically.

On August 10 2002, the eruption of Mount Fuji, as well as a series of large-scale earthquakes tsunamis inflict tremendous damage to Japan, sending the country into a state of emergency. Furthermore, another massive earthquake hit Japan on August 15, splitting the country into two. While Japanese refugees were taken in by various countries, the Japanese government accepted aid from China and the United States, which eventually caused China to govern the North, and the USA to govern the South. 15 years later, the Japanese refugees residing in Taiwan and the Taiwanese citizens find themselves clashing with one another, due to job competition and the unimproving conditions of the Japanese refugees. Genichiro Ryu is a survivor of the catastrophic events that took place in Japan, but was raised in Taiwan by a couple who adopted him. He gets himself involved in the situation between the Taiwanese and the Japanese, hoping that the two parties will be able to coexist with one another.

The story is centered around a small group of guerilla freedom fighters on a colonial planet named Deployer, who are known as the "Deployer 7", or "Sun Fang" team. In an unexpected coup, the elected Governor of Deployer becomes dictator and rules Deployer under martial law with the support of Earth's Federation. Fighting for independence from Earth's Federation influence, the freedom fighters begin a rebellion against the Federation's Combat Armors using a Combat Armor of their own: the Dougram.