With the sudden outbreak of the "D Virus," all humanity was on the verge of extinction. Those who got infected turned into blood-thirsty monsters known as Dracule. Those who protected them from the Dracule are the super warriors, "VIUS." Leila is one of the new recruits who wanted to take revenge for her dead parents by finding the legendary Dragon Eye, the eye of the ultimate Dracule class, the Draconic Dracule. If you get it "transplanted" to your body, you will obtain the world's greatest power...