The Dark Maid Dominates! is a Manga/Manhwa/Manhua in english language, DEMONS 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

Natsume Hilbright, a girl who has just lost her mother. Surrounded by her loving father and friends, she misses celebrating her birthday without her mother. Meanwhile, she happens to meet Jupiter, a boy who claims to be the Prince of the Demon World, and a beautiful girl named Glance, who is said to be his maid.