"The Melancholy of Haruhi Suzumiya" is a Japanese light novel series written by Nagaru Tanigawa. It follows the story of Kyon, a high school student who becomes involved with Haruhi Suzumiya, a girl who unknowingly possesses the power to alter reality. The narrative explores themes of existentialism and the nature of happiness through the lens of Haruhi's eccentric personality and her desire for extraordinary experiences. The series has been adapted into an anime, manga, and video games, gaining a significant following since its debut in 2003. It features a group of characters, including Yuki Nagato, Mikuru Asahina, and Itsuki Koizumi, who are part of the SOS Brigade, a club formed by Haruhi to seek out supernatural phenomena.