Yoshii Kazuya is a fictional character from the anime and manga series Baka and Test: Summon the Beasts. He is a high school student known for his average academic performance and laid-back personality. Despite his lack of motivation, he often finds himself in humorous situations due to his interactions with friends and classmates. Kazuya is the protagonist of the series and is characterized by his strong sense of loyalty and friendship. He is particularly close to Akihisa Yoshii, who often gets into trouble. Throughout the series, Kazuya navigates various challenges, including academic competitions and battles using summoned creatures.