Yoshii Kazuya is a fictional character from the anime series Baka and Test: Summon the Beasts. He is a high school student known for his average intelligence and often clumsy behavior. Kazuya is the protagonist who struggles with academics but possesses a strong sense of loyalty and friendship. In the series, Kazuya participates in a unique school system where students summon creatures to battle based on their test scores. His character often finds himself in humorous situations, especially in his interactions with other characters like Akihisa Yoshii and Minami Shimada, highlighting the comedic elements of the show.