Void (Nippon)

Void (Nippon).

Aikido [Void] = Samurai [Earth] + Jujitsu [Wind] + Sumo Wrestling [Water] + Kempo [Fire].

Aikido = Complexity theory

Nippon [Void] = Japan [Earth] + Nihon [Wind] + Japanese (Imperial Family) [Water] + Jipango [Fire].