Zaregoto is a Japanese light novel series written by Nisio Isin and illustrated by Take that began in 2002. The story follows Arou Rumata, a high school student who becomes embroiled in a series of mysterious murders on a remote island. The narrative blends elements of mystery, psychological thriller, and dark humor. The series is known for its unique storytelling style, featuring intricate dialogue and unconventional plot twists. It has been adapted into various media, including manga and anime, gaining a dedicated fanbase. Zaregoto is part of the larger Nisio Isin universe, which includes other popular works like Monogatari.