A giant tree popped up in the middle of the Atlantic ocean covering the world in a strange new radiation and because of it, people began to change.
First, there are the Chosen. These super humans have only slight physical changes and yet can manifest incredible powers.
Next, you have the Cursed. These humans have experienced large scale body changes which range from animal adaptations to simply grotesque body decomposition. Most are still normal and sane humans who attempt to adapt to life while being shunned by others. There are some however that have grown deranged and think themselves the rulers of the world.
Our MC lives a somewhat lonely life while sometimes being accompanied by his rather senile yet kind grandfather. He goes to school every day, dreaming about being a hero who has the power to battle evil and fight the much feared monster-like cursed humans. He is young and ignorant, but will come to realize just how perverse and biased the human race actually is. This is especially true when he gains what he dreamed of in the most horrifying way possible.
What is humanity? Why does it matter?