Read manga: Hana To Himegimi To Akuma No Vivian

manga
Summary:

From Aerandria Scans:A heartless devil named Vivian hates humans as they always try to betray him. When a seemingly innocent girl wanders into his forest in search of him again, he plays tricks on her and tries to make her give up. Is the girl's innocent heart real, or is this is another ploy to betray Vivian?