Baby Empress is a Manga/Manhwa/Manhua in english language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

The child of a prophecy is born to save the world. “I need to get married to save people…? I’ll do the marriage!” The emperor is a young and innocent boy. But… “I can’t give you my daughter! She will not be becoming empress.” My father interfered with my marriage! “Is my sister just a toy to you?” And my brother too! Will I be able to save the world?