Sign in to the Emperor's Womb, I Am the Master of the Immortal Gods!

In the Xuanhuang world, Ye Tianzun, a generation of decisive killers, encountered a world-destroying thunder catastrophe, failed to overcome the catastrophe, and traveled to a different world. He turned out to be an unborn emperor's fetus, the emperor's fetus of a peerless female demon emperor. This left Ye Yu speechless for a while, but at this moment, a plug-in called the Immortal Sign-in System suddenly arrived! Sign in! System? It seems to be getting more and more interesting! However, with the help of the system, Ye Yu continued to grow, and he faintly felt that there seemed to be a bigger secret waiting for him to reveal. Those who become immortals have immortal souls, and those who become gods have immortal bodies! What kind of mystery is hidden behind this? Let us follow Ye Yu's footsteps and explore the ultimate secret of the immortal god...