Natsuno Yuuki is a fictional character from the anime and manga series Shiki, created by Fuyumi Ono. He is a high school student living in the rural town of Sotoba, which becomes the center of a mysterious epidemic involving vampires known as Shiki. Natsuno is characterized by his strong-willed nature and skepticism towards the supernatural events occurring around him. As the story progresses, Natsuno becomes increasingly involved in the conflict between humans and Shiki. His character development highlights themes of fear, survival, and the struggle against overwhelming odds. Natsuno's journey reflects the broader narrative of the series, exploring the moral complexities of life and death.