Manga by author Oto Hisamu

From Phoenix Serenade Scans: A Cinderella story with a twist! Esther Mayfield is a normal sixteen year old girl in 19th Century London. Except, ever since she was a little girl, she could see "ghosts". She lives in a small part of town and sells flowers to earn a living. She thought that she would continue to live like this forever. Until, one day, a handsome young Count appears in front of her. And he wants Esther to be his bride? Is he really the Prince Charming she has been waiting for?

From Mangaupdates:15-years-ago Vivi, the demon, decided to leave the demon realm and come to the human world. There he found an abandoned baby and on a whim decided to keep it. Since then he lives together with Hana... but having a 14 year-old girl around you, is it really that simple?