Kyohei Aizawa, an assassin for a covert non-governmental espionage group in Japan called "SEEK", is grieving over the loss of his girlfriend from a tragic plane accident. The leader of "SEEK",Ryo Mikumo, contacts him for an emergency mission; save a fellow agent, recover a new highly explosive liquid called "RDX@", stop a ruthless Yakuza leader, Sojiro Kotsuki, and his gang before they take over Japan. Although the Ninjas were thought to have disappeared... the new breed of assassins live on helping to protect Japan and all that is right; the Ninjas are coming soon.许峰道：“观察了好久了，每次都是五分钟，不多不少，五分钟之后不管有没有下车，车内有几个人这辆公交车都会再次行使，至少在我看来是这样的。”