After My Girlfriend's Soul Was Shattered by a God, I Made the God Go Mad with Remorse

All 42 students in the class were thrown into a game called "God's Purification." To survive, they had to reduce the god's pollution level from 1000 points to 0. If even one person succeeded, we could all go home. My girlfriend almost succeeded, but the god gently crushed her soul. Before the game started, the system asked us to choose our identities. "Please freely choose your identity; this will be the starting point for your purification of the god." Our class's study committee member, Zhao Yi, was the first to step forward. He was the calmest in the face of adversity. He spent some initial points to exchange for background information about the God of Withering.