Nami is a Shinma, a type of demon that appears in the world of Vampire Princess Miyu. She takes the form of a woman and is characterized by hair that resembles moth wings. Her primary method of feeding involves draining the energies of the men she associates with, typically those she works alongside. In the story, she appears after finding a man named Ryu injured, and she uses barrier-based attacks in combat. When pursued by the protagonist Miyu, along with Reiha and Matsukaze, Nami erects a defensive barrier to protect herself. Her role is that of an antagonist, a stray Shinma that Miyu must hunt and return to the darkness. Nami’s personality is not deeply explored, but her actions indicate a predatory nature and a willingness to use deception by taking a human guise. She lacks significant character development, appearing only as a minor threat in a single confrontation. Her notable abilities include creating barriers, some degree of shape-shifting (as she adopts a human appearance), and the capacity to absorb life energy from her victims.