I'm Invincible in the Two-Dimensional World

He is the strongest in Academy City! Esper No. 1! He possesses invincible vector control! And then a random passerby knocks him out with one punch. He is the oldest God Slayer! The mightiest Demon King! He commands countless Authorities capable of destroying heaven and earth! And then a random passerby knocks him out with one punch. It is Absolute Evil! It is humanity's Final Trial! Give it everything you've got! Exhaust every bit of cunning! Unleash all your reckless courage!, Try to become a radiant sword that pierces my chest! And then a random passerby knocks it out with one punch. I'm that random passerby. My name is Lu Renjia, and in the world of anime and manga... I'm absolutely invincible!