The KO Universe is divided into 12 dimensions, and Mo Jie, the Demon World. In The KO Series, so far, the stories of Gold, Iron, Silver, and Copper Dimension has been told.

In each dimension, there are two types of people:

• Yi Neng Xing Zhe - those who are power users. Yi Neng Xing Zhe's can either have Pure Yi Neng (powers) or Demonized Yi Neng.
• Ma Gua - those who do not have powers.

Gold Dimension:

• KO One
• KO One 2: Return
• KO One 3: React
• KO One 4: Remember
• KO One 5: Recall

Iron Dimension:

• The X Family
• The X Dormitory

Silver Dimension:

• KO3anguo
• KO3anguo 2017 (?)

Copper Dimension:

• Angel N Devil