Seishun Buta Yarou is a Japanese light novel series written by Hajime Kamoshida, which has been adapted into an anime. The story follows Sakuta Azusagawa, a high school student, as he encounters various girls experiencing mysterious phenomena known as 'Puberty Syndrome'. The series blends romance, drama, and supernatural elements, exploring themes of adolescence and identity. Its unique narrative and relatable characters have made it a popular choice among anime fans.