Sumeragi Natsuki (皇 名月, born August 21, 1967) is a Japanese manga artist and illustrator from Osaka. She graduated from Ritsumeikan University with a degree in Japanese literature. Sumeragi is renowned for her distinctive artistic style portraying Chinese and Korean history in her works. Her art is characterized by quaint, elegant, and romantic depictions of the ancient world. Beyond manga, she has also created illustrations for novels, with notable artbooks including Gashu released in 2005, showcasing her exceptional talent in historical and cultural storytelling.