premise: Princess Mononoke only has a cheerful setting.
hypothesis: Princess Mononoke . The film stars the voices of Yōji Matsuda , Yuriko Ishida , Yūko Tanaka , Kaoru Kobayashi , Masahiko Nishimura , Tsunehiko Kamijo , Akihiro Miwa , Mitsuko Mori and Hisaya Morishige . Princess Mononoke is set in the late Muromachi period ( approximately 1336 to 1573 ) of Japan with fantasy elements . The story follows the young Emishi prince Ashitaka 's involvement in a struggle between the gods of a forest and the humans who consume its resources . Unlike other Ghibli films , Mononoke has a darker and more violent setting and tone .