Insect Invasion? Deadly Pollution? All Nourish Me!

[Big heroine + slap in the face + counterattack + wasteland apocalypse + mecha + group portrait] Insects and beasts invaded, and humans retreated to the last living area. The pollution carried by the insect beasts will corrode mental power, causing people to lose control and go crazy, and eventually die suddenly. Everyone talks about pollution and wishes they could stay as far away as possible. The only exception is Apple. The pollution that others avoid, to her—— Apple: It's actually nourishment. While others tried their best to avoid the insect beasts, she took the initiative to crawl into the insect nest. When others saw the pollution, they wanted to run away immediately, but she wanted to go to a full-body pollution spa. Sucking and sucking, he sucked himself from zero mental power to S-class, the highest level in the empire. After sucking again, the originally ferocious insect beast started to take a detour when he saw her. Apple: "?" No, you are insect beasts! Later, when the tide of insect beasts swept through the empire and countless people despaired—— This girl, who was once judged as a waste by everyone, stood alone in front of thousands of insect beasts. Became the last savior of mankind.