To Cultivate Immortality, the System Takes Me to Become a Demon.

[Fantasy cultivation, multiple female protagonists, relaxed humor, online IQ] Ji Xiu accidentally traveled to the world of immortality. He originally wanted to live in peace, practice well, and be a good disciple of the immortal family... But who would have thought that he would wake up to an outrageous system and lead him to join the demon sect. The outrageous system is also very good at not being a human being. The first task is to dress up as a woman and stay in the demon sect for ten years, and reward the foundation of heaven... Side missions, building foundations and eating the God of Pregnancy, and rewarding serious cheats... The second task is to become the leader of the Demon Cult with no time or method restrictions... Ji Xiu: Wait, isn't it my sister, the leader of the Demon Cult, or me?