Kyohei Aizawa, an assassin for a covert non-governmental espionage group in Japan called "四十九" or "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 l...