Martial Arts Anime

The Underground People desire to leave their overcrowded cavern and seize control of the surface world, but they never quite succeed. A second episode, Christmas Aid, soon followed, in which the brainless Undergrounders' second futile escape attempt is set to music by the popular group Yukadan. The first volume also included two unrelated stories by Ishii: 101 Ninja and Ken-chan's Space Exploration Adventure.

(Source: The Anime Encyclopedia)

After a magnetic storm strikes the Blue Star Continent, spiritual energy is revived, transforming both humans and animals. This triggers a battle for survival between spirit beasts and humans. Ling Tian, a young prodigy with an ancient divine bloodline and a treasure called the 'God Brain,' discovers that in three years, the continent will face a disaster that will lead to his heroic death. Guided by Yan Ling, his assistant from the future, he embarks on a mission to attain ultimate power and change the continent's fate.

(Source: SIMLK)