Xanair

 Xanair -  Miracle drug formulated to cure diseases and alter DNA to ensure a carefree living. With this drug exhaustion will be a thing of the past, instead those taking Xanair will feel empowered to move forwards. On Xanair you will be faster, stronger, and even smarter.

Negative side effects are as follows: Exhaustion(when first taking Xanair), depression.

Xanair the drug is can be taken in various ways. It is even known to be sold as a street drug, which became rather effective with seemingly no side effects in the beginning. However as time progressed for these addicts it would change their eating habits, making them constantly hungry.
 * Pill Capsules
 * Injection
 * Nasal insufflation

Xanair was originally created to better living. It's true effects lying dormant for eight years, until something snapped, causing its true intentions to flourish.

Those taking Xanair that turned to cannibalistic natured earned the title of a 'Ghoul'. Something that is very feared and hated amongst Tokyo, to the point the The Commission of Counter Ghoul had been formed.

The drug's manufacturer always lied dormant, using the name Xanair Corporations as a false title, hiding what really mattered; Xanair Labs. The man control a small group of very skilled scientists, each skilled in different area's. In the beginning he tested on a group of six individuals in attempts of creating the perfect human. Each attempt failed, however what he did create was a Ghoul. Something far more interesting then a boring human.