The Gay Hufflepuff

Rose Telco is a witch. She was born into a mixed family, her mother was a witch and father was a muggle. When Rose got her letter her family was enthusiastic. Not only did they have two witches in the family, they had three.
Her sister was a Ravenclaw and her mother was a Gryffindor before her. Rose couldn't wait to go to Hogwarts.
Only one thing bothered her, she was gay.
What happens when she is sorted into Hufflepuff and starts falling for someone.