I Guess I Became the Mother of the Great Demon King's 10 Children in Another World

The world of Abilfia is embroiled in a fierce battle between humans and demons. With hero Albert leading the charge, the human army marches into the realm of Zodia, territory of Demon Lord Gran. In a bid to secure victory and save their race, the demon army makes the decision to summon a priestess from another world.
For 16-year-old Akari, who has lost all her family, the only wish she has left is to be a good mother like her own. However, when she voice her wish, she is suddenly transported to Zodia to become the mother of Gran’s children. Despite her pure intentions, Akari finds herself struggling to adapt to her new fantastical surroundings, and realizes just how little she knows about this mysterious and perilous land.