After high school, Terada enrolled in Asagaya College of Art and Design in Tokyo while his family lived in Chiba, and took his first assignments designing advertisements. With this early advertising success, Terada rented his first apartment. At age 21 he received a commission for work from animator Toshio Nishiuchi to produce character designs, background illustrations, instruction manual art, as well as a logo for Nintendo's home entertainment system, the NES/Famicom.
After high school, Terada pursued his artistic career at Asagaya College of Art and Design in Tokyo while living with his family in Chiba. He began working as an advertising designer and secured his first apartment after achieving early success. At age 21, he was commissioned by animator Toshio Nishiuchi to create character designs, background illustrations, instruction manual art, and a logo for Nintendo's home entertainment system, the NES/Famicom.