Akari Otsuki is summoned to another world and ends up in the domain of the Demon King Greed, a being who has lived for thousands of years and has never encountered a human who was not afraid of him. She is not afraid of him. What follows is a slow domestic story about two completely different beings learning to share a world. Written by Itome Komine, illustrated by Ema Toyama. Japanese manga. Complete at 10 volumes.

Read I Guess I Became the Mother of the Great Demon King's 10 Children in Another World manga in English, fully completed. Also known as: 気づいたら異世界で大魔王の子供を10人産んでいた件について · Kidzuitara Isekai de Daimao no Kodomo wo 10-nin Unde Ita Ken ni Tsuite · I Found Myself Having 10 Children for the Demon Lord in Another World