"The Lotus War" is a fantasy series by Jay Kristoff set in a world inspired by Japanese culture. The story revolves around a conflict between the ruling Shima Empire and the oppressed Lotus clans, who resist the empire's control and exploitation of their land and resources. Central to the narrative is the use of a powerful drug called Lotus, which grants enhanced abilities but also leads to addiction and suffering. The series explores themes of rebellion, loyalty, and the consequences of power, as characters navigate their roles in a society torn apart by war and oppression.