There's Something Wrong with the Fairy Sisters

Mo Huaiyu has a gentle senior sister who takes good care of him, and a cold fiancée who is engaged to him. He himself is a young swordsman in the world of immortality. However, after Mo Huaiyu was defeated by the Demonic Saint and his cultivation level declined, everything around him began to go wrong. The gentle senior sister is actually white and black. The cold fiancée is very possessive. Bai Fumei is full of tsundere attributes. But Mo Huaiyu just wanted to recover his cultivation quickly and embark on the path of cultivating immortality again. At this moment, the demon saint who defeated him came to his door again.