After Saving the Yandere, I Became the Villain's White Moonlight

[Transmigration into a past life + obsessive male lead + redemption + male lead can read minds + no logic + not a wish-fulfillment story + not a strong female lead] [Disguised as a man] [The male lead seems gentle but is dark inside + QZA + 1v..] Nan Zhi transmigrated. The System told her that the reason she'd been plagued by illness and misfortune in this life was that her past self had committed a terrible wrong, and now she had to pay for it with her life. The System said that all she had to do was save Pei Qingran, the future villain, lower his corruption level, and win him over. Then she would regain a healthy body and more money than she could ever spend. It was a foolproof deal, so Nan Zhi agreed at once. To save the villain, Nan Zhi proceeded with trepidation, taking every step with utmost care... “Are you sure this seemingly courteous and gentle young man is the future villain?” “Wait! Why is the villain's face so red? Why have I tied him up?” System: “This is the scene of the terrible crime you committed in your past life. You tried to force yourself on the villain, failed, and left him a eunuch. Then you spread rumors and insulted him. Later, the villain tried to offer you as a sacrifice to Heaven...” Nan Zhi broke out in a cold sweat: “!!!!!!”