I Accidentally Entered the Principal's Dormitory, and the School Beauty Knocked on My Door in the Middle of the Night.

[Urban high martial arts + time travel + system + many beauties + invincibility + coolness] Lu Yun, a dying high school student at Chengjiangcheng Martial Arts High School, was surrounded and chased by school bullies. He panicked and ran into the dormitory of Ye Qingcheng, the cold-faced principal who was respected by the whole school. In the darkness, the cool and charming "cold-faced fairy" mistook him for her boyfriend who was going on a date. They got entangled with him all night and formed an indissoluble bond with him. There is a school bully seeking revenge in the past, and there is a beauty entangled in the future. In a desperate situation, the most powerful God of War system is activated. At the beginning, you will receive a golden bell, which will make you invincible, your health will soar, and you will be rewarded with magical skills. From then on, he made a counterattack and became a blockbuster. In the past, he was an ant who trampled on the blue clouds, surrounded by beauties, punched all the prodigies, pushed him to the top of martial arts, and finally became an invincible martial arts god!