Traditional Fantasy Opening: My System Is Not Very Smart

What would you do if you were trapped in a specific day, a specific scene, a specific person, a specific task, a specific fate, repeating the same thing every day but unable to complete the task? What if this was a fantasy novel? My fiancée breaks off the engagement every day! The Dantian has to be broken once a day, and you even have to break it yourself! I have to be humiliated by the same person every day! ... Now Mo Xian is in such a predicament, how can he escape from this day? How can I start the next mission? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.