Twins
Lin Jian has a younger sister, and Lu Yao has an older sister.
In an accident when they were young, the two sisters were abducted by traffickers at the same time. The older sister was sold abroad, while the younger sister was sold to an infertile couple in the western mountainous area of the country. Later, through the efforts of the police, the Lu family recovered their sister, but there was no news about her sister. Until Lu Yao was 20 years old, the police called...
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My name is Lu Yao, and I just turned twenty this year.
I also have a sister, her name is Lu Xuan, she is also twenty years old this year.