My Classmates Are Preparing for the Martial Arts Exam, Why Did You Become a Security Guard?

[No CP + high martial arts + fast level improvement, no level lag] Realm improves quickly, really, fast. Zhang Zheng was bound to the strongest security system as soon as he time-traveled into the body of a rookie high school student of the same name. While others were training hard for the martial arts exam, he was just wandering around, and his vitality and blood levels were rising steadily. Bite! Completing the first night patrol mission will reward the host with 100 health points! Reward the host with night vision! [Ding! Congratulations to the host for improving his realm, the system will reward him with another 500 health points! School belle: Zhang Zheng, come and see my dormitory! There's something weird in my closet! Zhang Zheng: Come right away! It is my responsibility to protect campus peace! վ'ᴗ' ի [Ding! Kill the color hidden beast and reward the host with 500 health points! Random martial skill＊1, blazing shield＊1 Principal: You are the strongest fighting force in our school. Come back and take the martial arts exam to bring glory to the school! Zhang Zheng: No, I am a security guard. I love my position. If I am not a security guard for one day, my realm, my appearance, my talents, and my quality will all disappear =^_^= Classmate: No! Brother, you are just a campus street kid! Is it really reasonable to be so strong? ! Zhang Zheng: Is it strong? I'm just an ordinary security guard.