Mystery: an 18-Year-Old Boy Suddenly Turns into a Girl

After being a boy for 18 years, the doctor suddenly told him that he was a girl. He didn't know whether he should like boys or girls. It was the first time he met a girl who liked him. Later, his friends, who were policemen, scientists, and kidnappers in Xinyang City, told her that she should be bold enough to talk to boys if she liked them. Later, he broke up with the girl who originally liked him. In this way, the two girls' love time in the two years of college is over, and they start chasing the school girl in their junior year.