Dominate the World Only by Defense

Young Zhang Chen returned to his highschool period by luck but difference is the world is in a state of "Spiritual Recovery". Everyone is training their body and soul in the name of fighting back against alien invasions. To Zhang Chen's surprise, the exclusive "Beat-me-up system" is now live and he becomes stronger just by getting beat up. Strong defense means power, status and wealth. Watch our MC get beat up till he becomes the world's savior!