Active Raid the Novel: Their Own Daihachi (アクティヴレイド―機動強襲室第八係― the Novel それぞれのダイハチ) is a novel adaptation of the Active Raid anime written by Kazuyoshi Yamamoto and cover illustrations by . It was published by Shueisha's Jump J-Books on July 4, 2016.
Unit 8's uneven duo transfers to detectives!? Kuroki and Sena were sent to the prefectural police to clean up the "Gold Bullion Robbery" case, but learn of a hidden conspiracy behind it. Meanwhile, the other Unit 8 members enjoy their loosely regular lives.