"Before turning 17, Shiyu and Shiyang were both kind and simple people. Although Shiyu was much more lively and active than Shiyang, she was also very obedient and sensible, embodying the qualities of a proper young lady, fitting the term 'a lady from a good family.'
A month after celebrating a classmate's birthday when she was 17, for unknown reasons, she suddenly became willful and bossy, no longer interested in studying, and her once good academic performance plummeted, scoring only over two hundred points in the college entrance exams.
After the score came out, she insisted on studying music abroad, and no matter how her parents tried to persuade her, she refused to stay in the country, leaving the family no choice but to let her go abroad to study.
So, what is the secret behind her drastic personality change?" Han Mo asked with a concerned look.