List of Oreimo light novels

The Oreimo series of light novels is written by Tsukasa Fushimi with accompanying illustrations by Hiro Kanzaki. It follows the story of Kyosuke Kosaka as he learns that his younger sister, Kirino Kosaka, with whom he has had a distant relationship for years, has been living a secret life as an otaku. Now he acts as her confidant and the series follows Kyosuke's efforts to help his sister to reconcile her personal life with her secret hobbies, while restoring their broken relationship and coming to terms with their true feelings for each other.

The first volume was published on August 8, 2008, by ASCII Media Works's imprint Dengeki Bunko, and of September 10, 2021, 17 volumes have been published.