Candy☆Boy is an eight minute ONA produced by Anime International Company, and directed by Takafumi Hoshikawa. Since November 22, 2007, the ONA is available through streaming on the Cho! animelo audiovisual website and the Nico Nico Douga online video service. On February 2008, the Candy Boy official website announced the production of a follow-up seven-episode series, the first one being streamed on May 2, 2008.
Advertised as a romantic school comedy, the story focuses on the relationship between Kanade and Yukino Sakurai, twin sisters in their second year in a Tokyo high school, and the conflict provided by freshman Sakuya Kamiyama's feelings towards Kanade.