The Sign-In System of Reborn Me Can Be Upgraded

In Cangxuan Continent, cultivation civilization is highly developed. There are many sects (seven sects of the righteous way and six sects of the evil way), and countless casual cultivators. The male protagonist Ye Chen was reborn with the "Sign-in Upgrade System". He originally wanted to be a demon that everyone would beat up, but by some strange combination of circumstances, he became the only hope for salvation. The dual identity of a righteous genius and a demonic evildoer creates the ultimate emotional pull between him and many female protagonists (righteous senior sisters, demonic witches)...