During his childhood, Joey suffered from a serious illness. He had to be hospitalized and put on morphine. One day, he disappeared from his hospital bed with his brother's motorcycle and had an accident. He was declared D. O. A. After that, Joey stopped feeling pain. He started to go to the L-club and joined Junji Kashiya's gang: the Blue Rose. He was nicknamed the "Dead End Junkie".
He makes his appearance in Chapter 188 of Shonan Junai Gumi, and becomes Onizuka's rival. After Onizuka beats him in a motorcycle race, he decides to change his life and will always have a deep respect for him. He discovers the slave market together with Kashiya and Fumiya and together they inform Onizuka. He remained very close friends with Kashiya and Fumiya.