A Capable Maid is a Manga/Manhwa/Manhua in english language, Drama series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

The useless maid, Marie, has never been able to do anything correctly. But, after caring for a dying prisoner, she becomes a person she had always wanted to be. This is the start of the capable maid, Marie.