Tenshi no Otsutome♥

Mary Anne runs away from her house. The reason? She lives in a family that, throughout their history, has only given birth to women. And oddly enough, each and every woman born into the family has been born a total nymphomaniac (A family of sluts.... What are the chances?). Not willing to come to terms with her own heritage, Mary Anne leaves her house and joins a Convent. Now known as Sister Mary Anne, she proceeds to help people with their problems and fight off her womanly urges. But it seems ...