Naruto: Travel Across the City and Become a Ninjutsu Missionary

[Naruto + City + Time Travel + No Heroine + Funny + Daily + Passionate + System] Uzumaki Naruto travels to an urban world where there are no ninjutsu and is attacked by alien creatures, and obtains the ninjutsu teaching system. As long as he teaches ninjutsu, he can obtain various ninjutsu rewards and blood inheritance limits. So Naruto Uzumaki transformed into a martial arts gym leader named Ma Ming and began to teach ninjutsu to lead mankind to resist the invasion of aliens. Popular female anchor in the martial arts world: I'm here to compete in the gym. There are too many people pretending to be masters now. Ma Ming: You mean you want to challenge my ninjutsu with martial arts? Delivery boy: You said I learned the art of Flying Thunder God? Ma Ming: Yes, you will be the leader in the food delivery industry from now on. A big boss: I learned the doubling technique. This ninjutsu is really useful! Ma Ming: Which aspect is practical? Ma Ming: Sasuke, I want you to be the tutor of my live broadcast course! Sasuke: I'm busy fighting against Otirigi! Ma Ming: No delay, I can use the system to transport some modern weapons to assist you. Create a Ninja Qualification Examination Competition, issue Ninja Qualification Certificates, and organize Ninjutsu World Competitions, so that everyone can learn Ninjutsu, become popular all over the world, become a martial arts Ninjutsu master, and lead the disciples to repel the invasion of powerful alien enemies.