Maou-jou no Ryouriban ~Kowamote Mazoku Bakari dakedo, White na Shokuba desu~

Tsumugi, a human working in the Demon Lord’s castle cafeteria, is actually someone who was transported from another world. In her original world, she was a homeless woman on the brink of death. Now, determined to protect this dream life where food, clothing, and shelter are guaranteed, she works hard not to be overwhelmed by the rough and scary-looking demons around her!
This is a gourmet romantic comedy set in another world—inside the Demon Lord’s castle!