Lili-Men is a Manga/Manhwa/Manhua in english language, Action 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

A race of "succubus" that breeds human beings in the nursery, and human beings trying to eradicate them. After an eternity of time has passed since the two incompatible races began to fight, a "king" will be born who will end the battle.