The Ares project is a top secret government project in Japan which alters humans to become the deadliest weapon on the planet with incredible power, speed, intelligence and even the ability to evolve. Kyosha is the first soldier created through this project and is also the son of the now deceased project leader. Kyosha escapes with the current project leader, Shinonome Touko, after he realizes the weapon that he has become is too dangerous for anyone to handle.

Kyosha’s special lightning move unwittingly causes him and Touko to travel back into the Sengoku era. However, when Kyosha comes to, there is no sign of Touko. Now Kyosha has to use his superhuman powers to fight his way through the war torn country in search of Touko before it is too late...