Shiina's the cheerful, energetic type who's determined to win a water rocket competition. She meets Kudryavka and Riki while hunting for the perfect plastic bottle to use, and they end up becoming friends. She's got her sights set on becoming an astronaut someday, though her family isn't exactly on board with that dream. Her mom writes picture books, and she's got an older sister named Ui. She also has a Welsh Corgi named Ōsumi as a pet.
Content compiled by AnimeList.moe from publicly available sources.
