The anime was original came from the manga work illustrated and written by Karuho Shiina. This manga won the Best Shōjo Manga award in the 32nd Annual Kodansha Manga Award.
Kimi ni Todoke have two seasons. First season released in 6 Oct, 2009. The first season has 25 episodes. The second season has 13 episodes and broadcasted at 4 Jan, 2011. Both two seasons are directed by Hiro Kaburaki and produced by Production I.G.
