Kuro is a SF roleplaying game, there are three major themes: Japan, technology and horror.
It's the year 2046, the relations between China en the US deteriorate and a conflict is at hand. Because of a malfunction in the Pan Asian Federation defense system they decided to launch a nuclear attack on Japan. Two missiles are launched but one just dissapears in a big flash of light, the world thinks that Japan must have a secret weapon. The world now demands to know more but since there comes no answer Japan is cut off and now has to stand on his own.