Idolising! is a light novel written by Sakaki Hirozawa and illustrated by Cuteg. The novel is published by ASCII Media Works under its Dengeki Bunko imprint. The novel achieved 9th place in Kono Light Novel ga Sugoi!, a Japanese guide book published by Takarajimasha which ranks popularity of light novels. The novel is also the recipient of the gold prize in the 17th Dengeki Novel Prize.