Prior to her breaking role in The World of Kanako (2014) and even before she appeared in the Tadaima short film (2013), Nana Komatsu had a first film experience with Shabondama, directed by Seta Natsuki.
This short film (runtime is 6’46”) was part of a 18-piece ensemble called Nihon no uta, a compilation of Japanese nursery rhymes and kids songs illustrated by a wide range of directors. The Nihon no uta DVD originally released in November 2010, is still available from various online stores: Amazon Japan.
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Nihon no uta documentation (Japanese) : PDF Flyer