More than a century ago, a strange virus that could transform humans and animals into extremely aggressive super-powered individuals suddenly broke out. At the same time, humankind's technological level also ushered in an incredible leap.
The infected people who have broken out are heterogeneous, and those who carry this virus are polluters.
Although most alien species act purely on instinct, there are still a very small number of individuals who retain complete consciousness.
These special alien species are no different from ordinary people except for the black fire marks on their bodies.
"Those who are bitten by 'Lost' will lose the [past], those who are eaten by 'Fear and Disgust' will tear apart the [Future], and those who are swallowed by 'Doubt' will remain in the [present] forever."
"No matter how human they are, aliens can eat people, especially a delicious little kid like you who likes to run around. So, stay away from me."
Su Jin always warned Su Yu like this when he was a child.
Su Yu always thought that this unusual and peaceful life would continue until...
Concept: Family, friendship or other sincere emotions shine brightly even in the darkest places.