[Not-quite-siblings + self-disciplined, proper older brother × resilient, well-behaved younger sister]
Tang Nian was brought to the Lu family at seven and treasured like a jewel as she grew up.
Lu Zhouxing, who had been raised from childhood to inherit the Lu family, took especially good care of her. He always protected her, never letting her suffer the slightest grievance.
But when she turned eighteen, everything seemed to change.
Before she was eighteen, no one cherished her more than Lu Zhouxing.
After she turned eighteen, no one wanted more than Lu Zhouxing to distance himself from her.
He grew to dislike her and didn’t want to spend time with her. In the end, he even insistently tried to set her up on dates so she would get married and leave the family.
The two of them drifted further and further apart.
Until one day, a child who called themself Xixi suddenly appeared.
The child wrapped their arms around Lu Zhouxing’s leg and called him Dad, then nestled into Tang Nian’s arms and affectionately called her Mom.
The two were dumbfounded. After seeing the paternity test results, they accepted this child from the future.
Xixi’s arrival hastened Tang Nian’s recovery of her memories and helped Lu Zhouxing face his own feelings.
Tang Nian had never dared to imagine it.
That man, who had suddenly grown distant and cold toward her when she turned eighteen, would one day kneel beside her, tenderly cup her face, and kiss her again and again, apologizing to her over and over…