Transmigrated as an Ice-Cold Master, My Rebellious Disciple Keeps Crossing the Line

[Two Male Leads + Equally Matched + Love Triangle Drama + Everyone's Favorite] After complaining that a novel's plot was garbage, Bai Muxue transmigrates into a book as the male lead's villainous master. In the original story, he appears to be a refined, aloof beauty, but is rotten to the core. He beats and berates the male lead at every turn, and teaches him the wrong cultivation techniques, nearly causing him to explode. Even more horrifying, the entire sect turns out to be evil cultivators! Surrounded by villains, he nervously pretends to be the original character while also trying to protect the male lead. Only when the male lead kills him, leaving him on the brink of death, does he discover that the other man has returned reborn. Bai Muxue remembers that the original character once killed the male lead's senior sister. The reborn male lead killing him with his own hands seems only fair: a life for a life. But when Bai Muxue looks at him, something seems off. …Why are there tears on the male lead's face?