"Baka to Test to Shoukanjuu" is a Japanese light novel series written by Kenjirou Hata. It follows the story of Akihisa Yoshii, a student at Fumizuki Academy, where students are divided into classes based on their academic performance. The unique twist is that students can summon shoukanjuu, or summon beasts, to battle each other, with the strength of the beasts determined by the students' grades. The series combines elements of comedy and fantasy, showcasing the antics of Akihisa and his friends as they navigate school life and engage in battles to improve their class standing. The light novel has been adapted into a manga and an anime series, gaining popularity for its humor and character dynamics.