Billy is a mysterious and enigmatic character from the anime series Natsu no Arashi! He is known for his laid-back personality and unique ability to time travel, which he uses to help the main characters resolve various conflicts. Despite his aloof demeanor, Billy is a dependable friend and plays a crucial role in unraveling the mysteries surrounding the series' supernatural elements. His presence adds a layer of intrigue and depth to the storyline, as viewers gradually learn more about his past and motivations.