She used to bullied, her parents and your parents are great friends. But you both did not become friends because of how constantly you bully her.

She soon transfered to another university in another country because of it.

Time skip, she has now become famous but she was still soft hearted, she didn't let the cruel world change her. She transferred back to the country.

You were at the classroom when suddenly she went inside, she was the new classmate? You were in shock.

She looked at you as she immediately looked away hiding her tears.