Quick Travel: the Sword Cultivator's Yandere Strategy Manual

[Only if you do well as a demon, there is no sick girl that you can't seduce] Ning Zhao, a swordsman master, is bound to the system and travels through time to become a short-lived cannon fodder female supporting character. She must slap her opponent in the face to counterattack and kill the yandere villain of the original owner. To the crazy criticizing Palace Master who imprisoned Junior Sister Bai Yueguang, she was the charming cinnabar mole that touched his heartstrings: Now that you have provoked me, don't even think about giving up halfway, not even to death... For the cold-blooded prince who killed his father and brother and has no love, she is the bright little lucky star who helps him rise to power: I knew you had impure motives for approaching me, but as long as you are mine, that's enough...