Fire Me? I Will Lead Class F to Suppress the Universe!

[National job transfer + strongest teacher + decisive killing + ultimate protection of shortcomings] On the eve of the high school martial arts exam, all members of Class S jointly dismissed their intern instructor Lu Ze. "You're a loser who transferred from the life department to another job. Are you qualified to teach our Class S?" Facing the backstabbing and ridicule of the "genius" students, Lu Ze smiled calmly and decisively signed the letter of dismissal. He turned around and took over Class F, the worst class in the school! Everyone is waiting to see his joke. Little did they know that Class S could be where it is today thanks to the heaven-defying card buffs bound to Lu Ze's awakened [Strongest Workers] system. On the first day after the contract was terminated, the genius of Class S was so weak that he couldn't even fire a fireball, and he became a complete laughing stock. On the day of the joint entrance examination, the "good-for-nothings" from Class F were like gods descending into the world, leaping over the ranks to kill the enemy and suppress the entire audience! When the tide of world-destroying alien beasts comes and the national defense line is on the verge of collapse. The military was shocked to discover that the hundreds of generals who were able to turn the tide of the country's rule were all from Class F of Jiangcheng No. 1 Middle School. And the salted fish instructor who carries a thermos cup all day, With a single stroke of his sword, he chopped up the stars of the eternal universe...