Unlike ne'er-do-well former vampire Araragi, his two younger sisters Karen and Tsukihi, who attend a private junior high, are little balls of energy and charisma that their peers look up to. That the "ka" in Karen and "hi" in Tsukihi are both written with the character for "fire" isn't the only reason they've come to be known as the Fire Sisters.
Karen is the brawn and Tsukihi the brains of a vigilantism that the pair sees not merely as defending justice but as justice itself. They can't encounter a harmful fad without trying to hunt down a specific source that had a motive for spreading it. In their big brother's humble opinion, there is something fake and precarious about it all.
In this first of two parts, the immediate sequel to the legendary BAKEMONOGATARI plunges us into the middle of summer vacation in the mostly peaceful rural town where the series is set. As our hero and narrator can say from experience, however, teenagers with too much free time on their hands can get stung pretty badly.
There are few authors in Japan who have reached the heights of success as NISIOISIN. Born in 1981, NISIOISIN left of Ritsumeikan University in Kyoto, to pursue a career in story-telling. Initially he had ambitions to be a comic artist, but when he realized his art was not up to snuff, he began to focus on his writing. He would eventually win the 23rd Mephisto Prize, for Kubikiri Cycle, acknowledging his talents as a mystery writer, at the age of 20. Since his debut in 2002 he has penned more than 50 novels and a number of comics.
Nishio's works often cover themes of youth, but are framed in genres that are familiar to the masses. His works tend to mix mystery with comedy and touches or romance and/or the supernatural. He is a modern author in every sense, sometimes even experiementing with the Japanese language itself. Many of his works have been adapted into animated television series and films. His best known works are the Monogatari series and Katanagatari.