Isekai Editor ~I decided to save the world with manga~ is a Manga/Manhwa/Manhua in english language, SUGGESTIVE 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

Hiroki Ichinose, a boring manga editor is summoned to another world with the manuscript for the first chapter of a new series he was about to submit. After confirming that he won't be able to submit it in time, he was called "Savior-sama" by the summoner Laila...!?