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Kaishin (界芯星 Kaishin-sei, literal meaning "World Core Planet") is the original home planet of all Shinjin. The planet is a "large version of a Kai Planet" (something like a larger version of King Kai's planet). The population of Kaishin is roughly 80.


On Kaishin, there are gigantic trees called the Kaiju. These trees sprout beings called Shinjin from magical fruits. These Shinjin can possibly take the role of a Kai if incredibly lucky or if born from special golden fruit, in which case they then become Supreme Kai. The evil Shinjin born on Kaishin are cast into the Demon Realm located at the very tip of the universe, which is ruled by Makaioshin, to be kept separate from civilization, and they live with the Makaio.[1]

Known Residence

Note: Most Shinjin shown in the series were all Kais at the time of their appearances, thus all left their home world ages ago.



Supreme Kai


  1. Dragon Ball: Super Exciting Guide, 2009

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