Join the Hero and Instantly Kill SSS-Level Monsters at the Beginning

Travel to a world where monsters invade the real world. The protagonist awakens the visual superpower, binds perfect defense, repays tooth for tooth, and returns the system billions of times. Flame dragon's breath, void illusion, time suspension, black hole, fatal sunburn, crimson flash, microbial invasion. Regardless of physical, magical, or mental, all attacks in front of Xiao Yi rebounded without any damage. The top monster with the ability to copy, cleverly copied Xiao Yi's perfect defense, but was hammered to death by a D-level scumbag on the spot. As the protagonist learns about the world, he gradually discovers that there are amazing truths hidden behind it.