From Now On, She Is the Only One I Like

My name is Yu Fei Tian Yu, I am sixteen years old this year, and this beautiful black-haired girl is my sister, named Yu Feicai. Now she is my sister, to be precise, she is a relative's child, and I will live with her from now on. In a sense, she is a sister, but not in the way you imagine. There is no doubt that she is a sister who can get married! Really great for me! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.