In 3000 AD, the Zerg invaded the earth. Facing powerful enemies with superior IQ and physical strength, humans were almost powerless to fight back. On the verge of extinction, a "new species" appears. Human beings chosen as hosts by this magical species will receive a great improvement in physical fitness and other aspects, and can even become completely gigantic under certain special circumstances. This may be the last hope of mankind, or it may be a new disaster.
Purpose: Explore the secrets behind new species and find the real hope for mankind.