Returning to My Senior Year of High School, the System Helped Me Conquer the World of Machine Girls

Yang Chen, a social hero, unexpectedly returned to the first day of his senior year of high school. Just when he vowed to study hard in this life, use knowledge to change his destiny and save his childhood sweetheart. When he opened the textbook, he was dumbfounded Mechanical Failure Judgment and Repair Volume 2? Machine girl psychology? Basic knowledge and skills of drivers? Monster weakness analysis? Facing the books he had never seen before, Yang Chen suddenly felt desperate in life. Fortunately, the golden finger was activated in time. [Ding, the God Lord training system is loading~] [Ding, the God Lord training system is loaded] [Ding, the God Lord training system is successfully bound] [Ding, the newbie gift package has been distributed] Listening to the voice in his mind, Yang Chen opened the novice gift package with excitement. Result Marrow Cleansing Pill×1 Great Wilderness Emperor's Scripture×1 Low grade spiritual stone ×500 "This is the world of machine girls. Hey, what the hell is your system of cultivating immortals?" Yang Chen shouted in his heart. [Host, don't panic, it's just a small low-level world, this system can handle it easily] [Come, drink this cup of brain-opening juice, and I will take you to kill the world of machine girls] The system said.