The Wonderland, known in Japan and the UK as Birthday Wonderland , is a 2019 Japanese animated coming-of-age fantasy adventure film directed by Keiichi Hara. Based on the 1988 children's story Chikashitsu Kara no Fushigi na Tabi by Sachiko Kashiwaba, it stars Mayu Matsuoka, Anne Watanabe and Kumiko Aso. The characters were designed by Ilya Kuvshinov. It premiered in Japan on April 26, 2019, and was screened in competition at the Annecy International Animation Film Festival in June 2019. It was the final Japanese film to be released in the Heisei era, five days before the 2019 Japanese imperial transition.