Sengoku Youko is a Japanese manga series written and illustrated by Satoshi Mizukami. The story follows the adventures of demon siblings Tama and Jinka as they travel across Japan during the Sengoku period, aiming to protect humans and demons alike from evil forces. With its unique blend of action, fantasy, and historical elements, the series offers a compelling narrative that explores themes of friendship, loyalty, and the struggle between good and evil.