 In Japan, he was responsible for the original character designs for the "Tantei Jingūji Saburō" mystery adventure video game series, and has worked prolifically on the series, most consistently as the cover illustration artist.He was in charge of the book cover and illustrations for the "Kimaira" series written by Baku Yumemakura, and was in charge of cover design and illustrations for "Garōden", "Shin Majugari", and "Yamigarishi" as well.Terada has defined himself as a "rakugaki" artist, more of a philosophy than a style of drawing, in which one draws a little everywhere, all the time, without thinking too much, on notebooks etc.