Digital Eden Attracts Humanity

In the future, where digital viruses "Oracles" that can transform a person into creatures from legends and myths have spread, the people infected "Fector" have begun to cause incidents as result of the virus. Humanity responded to this by developing a vaccine that had a higher infection rate to the Oracle which allowed a certain group of people to 'temporarily take on the traits of animals or insects' as a side effect in order to oppose the Fector. One summer day, Sogami Eiri's childhood friend...