My Sister's Incarnation System, a Slap in the Face Counterattack Article

I, the eldest daughter of the Zhenbei Hou Mansion, was accidentally bound to the "Identity Tampering System" and could transform into anyone's stand-in at any time in a house fight. However, I found that what I had taken was the cannon fodder script of the concubine who was trampled to death in the story of the concubine's counterattack.