Kyuuso no Chigiri

Kyuuso no Chigiri is a Manga/Manhwa/Manhua in (English/Raw) language, Shoujo series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

A rare species called "innocence" may be the kind of animal needed for the world you desire... One day, a man from a superior caste of fox aristocrats rescues a girl from the lowest caste of mice. The girl is hiding a big secret that will shake the world...