The mythology in Kunzai's world is very much based around yin and yang, opposites. Her world is a warzone between the spirits of yin (dark) and spirits of yang (light). Kunzai, a mortal ambassador, represents the light spirits.
But what if she had a dark spirit counterpart? A version of Kunzai with the opposite personality - conniving, unfriendly and downright evil.
Meet Zaikun, the rather toxic looking dark spirit counterpart to Kunzai.