 Before long, it is revealed to Kōshi and Momoko that five of the six western families are out on a plot to assassinate Kōshi to prevent him from marrying Momoko, which would cement the twelve families together by bonds of blood.This assassination would be the start of a martial artist war, which would be the seventh such war of the twelve zodiac Masters of Japan.Kōshi must now fight for his life as Momoko protects him, hoping he will return her affection.