Umi Monogatari ~Anata ga Ite Kureta Koto~ (うみものがたり 〜あなたがいてくれたコト〜?, lit. "Sea Story") is a 12 episode anime series, directed by Junichi Sato and produced by Zexcs. It began airing on Chubu-Nippon Broadcasting on June 24, 2009. An unaired 13th episode is to be featured in the final DVD volume, released on March 26, 2010.
The anime is based on a popular pachinko game manufactured by Sanyo Bussan.
The anime uses two theme songs. The opening theme is "violet" by Marble and the ending theme is "Tōmei na Inori" (透明な祈り?) by Masumi Itō. Lantis has released three soundtracks for Umi Monogatari ~Anata ga Ite Kureta Koto~. The first, "violet", was released on July 23, 2009. The second, "Treasure!? ~Kimi to Deaeta koto~" (Treasure！～君と出逢えたコト～?), was released on August 5, 2009. The third, "Tōmei na Inori" (透明な祈り?), was released on August 26, 2009.