>>53388555He said he designed them around the concept of the two halves of the yin-yang - Yang, the white half, the masculine and Yin, the black half, the feminine.
That continued right doown to how they marketed the fgame, ALL official art mirroring the Yin-Yang. Wasn't until it was shoved westwards when pre-teen burger boys made dick jokes about it, then grew up huffing their own farts.