Beichen Light

After time traveling, he still encounters the haunting evil mother-in-law and sister-in-law. Su Lanzhen is bound to break this endless vicious cycle... Things that cannot be changed in modern times, since time travel has to solve something, these people are not related to him, so they can resist unscrupulously... Besides, he also has a sister-in-law who is the daughter of the empress. As long as he wins over her, the king will explode...