- The Kokuhaku Yokou Renshuu light novel series, otherwise shortened to just the Kokuhaku series (告白シリーズ), is an ongoing collection of books covering material in the Confession Executive Committee franchise, published by Kadokawa Beans Bunko. Beginning in 2014 with the Kokuhaku Yokou Renshuu installment, the series has since released fourteen additional light novels and five short stories. While all the outlines for the light novels are credited to HoneyWorks, the novels are primarily written by Touko Fujitani until Kinyoubi no Ohayou, and Mari Kousaka starting with Heart no Shuchou.
- Late 2020 saw to a spinoff series mirroring the spinoff Idol Series split in 2019. The Kokuhaku Jikkou Iinkai: Idol Series novels began publishing in December, starting from the installment Romeo. While this series is under a different name, it still counts as under the Kokuhaku Yokou Renshuu light novel series at current.
List of Volumes
- Volume 1: Kokuhaku Yokou Renshuu
- Volume 2: Yakimochi no Kotae
- Volume 3: Hatsukoi no Ehon
- Volume 4: Ima Suki ni Naru.
- Volume 5: Koi-Iro ni Sake
- Volume 6: Kinyoubi no Ohayou
- Volume 7: Heart no Shuchou
- Volume 8: Ijiwaru na Deai
- Volume 9: Boku ga Namae wo Yobu Hi
- Volume 10: Daikirai na Hazu Datta.
- Volume 11: Nonfantasy
- Volume 12: Heroine Ikusei Keikaku
- Volume 13: Tokyo Summer Session
- Volume 15: Otome-domo yo.
Kokuhaku Jikkou Iinkai: Idol Series
- Volume 14: Romeo
- "Roast Beef no Yukue"
- "Bunkasai Mae no Futari
- "Kainushi wa Dare?"
- "Suzumi Hiyori no, Mezase Heroine!"
- "Sakuragaoka Koukou Shinbun-bu Goukai: Interview"
- In 2021, Kadokawa Beans Bunko reported that the entire series had 3 million units in circulation.