High Quality Content by WIKIPEDIA articles! The characters of the Baka and Test series were created by Kenji Inoue, with illustration and character design by Yui Haga. The story centers around a boy named Akihisa Yoshii, also known as the idiot or "Baka" of the title. He attends Fumizuki Academy, a school where the staff rigidly divides its students based on the results of their academic scores.