When I Went to Another World, My Little Sister Was Already Reigning as The Demon Lord

When I Went to Another World, My Little Sister Was Already Reigning as The Demon Lord is a Manga/Manhwa/Manhua in (English/Raw) language, Adventure 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 full colour 4p webcomic for Isekai Ittara, sudeni Imouto ga Maou toshite