In Corpse Brother: My Self-Discipline Makes Me Terrifyingly Strong

One hundred push-ups: one attribute point. One hundred sit-ups: one attribute point. One hundred squats: one attribute point. Run ten kilometers: one attribute point. He had to do these things every day. Sometimes he thought about giving up, but in the end, he always gritted his teeth and finished. Even when he made strange noises, he still persevered to the very end. In the end, he went bald and became stronger. No enemy could take a single punch from him. Then one day, the water supply in H City was contaminated, and mutated monsters appeared throughout the city. He would be the most powerful being of all, and he would destroy every Corpse Brother...