an eight-minute original net animation 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. This was followed by a seven-episode series, with episodes being streamed between May 2, 2008 and May 8, 2009. Additional episodes were released on DVD, one with the DVD version of the single, "Bring Up Love" by Nayuta, and another released with volume 2 of the series. A spin-off manga series by Hiro Tōge was serialized in Media Factory's Comic Flapper magazine between November 2009 and December 2010, with another series, also by Tōge, distributed on mobile phones.As a romantic school comedy setting, the story focuses on the budding romantic 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.Yukino and Kanade Sakurai, twin sisters and native from Hokkaido, move together to a student residence in Tokyo to attend high school leaving their younger sister, Shizuku "Shi-chan" with their parents. Sakuya Kamiyama, a first year student, seeks out and stalks Kanade, saying that she's in love with her and will do anything to be with her, she pays Yukino with candies in exchange of photos and personal stuff of her sister. Later, Kanade feels that the close relationship between Yukino and her is falling apart because of their lack of spending time due to her schoolwork and Yukino's part-time job.