Miyuki Sawashiro
An anime adaptation by the animation studio AIC Spirits first aired in Japan on October 4, 2007, and ended on December 20, 2007, containing twelve episodes. The anime was licensed for release in English by Kadokawa USA, but its Kadokawa Pictures USA subsidiary later closed down, therefore canceling the release. The opening theme is , and the ending theme is ; both songs are sung as duets by Mai Kadowaki and Miyuki Sawashiro, who voiced Mayu and Reika respectively. Starting December 15, 2010, Crunchyroll released English subtitled episodes of the series under the title "Good Luck! Ninomiya-kun". Episodes were released weekly in sets of three to the public, with the final three episodes being released on January 5, 2011.