Poison Gas Apocalypse: I Have a God-Tier Feedback System

[Post-Apocalyptic World] [System] [Superpowers] [Evolution] [No Saintly Hero]

Poisonous gas fills the air, plants mutate at a terrifying rate, and humanity struggles to survive! In this world shrouded in toxic fumes, only 10% of people can awaken superpowers and become capable of resisting the poison.

Yun Qianbai is a boy from the slums who depends on his younger sister, gravely ill, and they have only each other.

On his birthday, his sister's condition turns critical, and the hospital turns them away. At the height of his despair, Yun Qianbai awakens the God-Tier Feedback System!

Absorb poisonous gas to gain toxin points and evolve his attributes. He can even grow a green-vine tattoo, the mark of a superpower!

He discovers that he has actually begun absorbing the poisonous gas in the slums!

From then on, Yun Qianbai embarks on a journey to turn his life around. Can he use the System to survive the poisonous apocalypse, protect his sister, and uncover the secrets hidden in this world?