Definition: Urushiols are a fictional character from the manga series "Harshima" by Shintaro Ishinomori. They are a group of young adults who have been trained in the martial arts of Harshima, an ancient and powerful Japanese village located on Mount Fuji. The main character of the series is Ushiya, a young man with a unique ability that allows him to control and manipulate water. He is often referred to as "the water boy" due to his exceptional