"Owarimonogatari" is a Japanese light novel written by Nisio Isin, part of the popular Monogatari series. It follows the protagonist, Koyomi Araragi, as he navigates complex relationships and supernatural events. The story is divided into multiple arcs, each focusing on different characters and their struggles with various oddities. The narrative explores themes of identity, memory, and the impact of past experiences. It features a mix of dialogue-driven storytelling and philosophical musings, characteristic of the Monogatari series. Key characters include Shinobu Oshino and Hitagi Senjougahara, who play significant roles in Araragi's journey.