Harvest Moon: Tree of Tranquility (牧場物語 やすらぎの樹, Bokujō Monogatari: Yasuragi no Ki, Harvest Moon: Tree of Peace) is a farming simulation video game released in Japan on June 7, 2007 by Marvelous Interactive, in North America on September 30, 2008 by Natsume, and in the PAL region in October 2009. It was released for Nintendo's Wii console and was the first title in the Story of Seasons series originally developed for the Wii. It was followed by a sequel, Harvest Moon: Animal Parade, a year later.