Traveling to Modern Times, My Best Friend Became My Mother-In-Law

Mudan was a slave adopted by the heroine Bai Zhi. Bai Zhi took her as close as a sister. As a result, Mudan climbed into the bed of the heroine's father in an attempt to become the mistress. The heroine was persecuted to death. After time traveling, she became Mudan's daughter-in-law, reciprocating tooth for tooth.