There Is an Invincible Sign-In System Before Birth

The protagonist, Chen Yun, accidentally traveled through the world of immortal cultivation and became the son of the leader of a ninth-level force. However, when he traveled through the world, he found that his eyes were dark and a strange mechanical sound came to his mind. "Ding! Congratulations to the host, you have awakened the invincible sign-in system." After a long time, Chen Yun finally accepted the fact that he had traveled through time and became a fetus and had awakened the system. As soon as he was born, Chen Yun caused a strange phenomenon in the world, making the other ninth-grade forces extremely fearful. Li Tiange's plan for thousands of years died in Chen Yun's hands. See how Chen Yun uses the system and his life experience to win at the starting line, quietly become stronger, and protect everything he cherishes. Defeat all the geniuses and stand on top of the world. (IQ is online, no brains are cool, there is a female protagonist, three views are upright, obscene development, not a saint, pay attention to one's own strength.)