The Chancellor's System Wives

Two best friends travel into a drama, becoming heiresses of the Chancellor's Estate. They are bound to a system, tasked with stopping their husbands from Corruption and rewriting the ending. They mistakenly attack Alastair Lockwood and Xavier Lockwood, causing their husbands' Corruption to skyrocket. After household conflicts and conspiracies, the sisters develop feelings for the Lockwood brothers. The lovers get together, achieving a reversed ending.