Arrietty, classified under the titles The Borrower Arrietty in Japan and The Secret World of Arrietty in North America, is a 2010 Japanese animated fantasy film directed by Hiromasa Yonebayashi and scripted by Hayao Miyazaki and Keiko Niwa. It is based on The Borrowers by Mary Norton, an English author of children's books, about a family of tiny people who live secretly in the walls and floors of a typical household, borrowing items from humans to survive. The film stars the voices of Mirai Shida, Ryunosuke Kamiki, Shinobu Ōtake, Keiko Takeshita, Tatsuya Fujiwara, Tomokazu Miura and Kirin Kiki, and tells the story of a young Borrower (Shida) befriending a human boy (Kamiki), while trying to avoid being detected by the other humans. Toshio Suzuki produced the film and Studio Ghibli provided the animation.
The Clock family are four-inch-tall people who live anonymously in another family's residence, borrowing simple items to make their home. Life changes for the Clocks when their daughter, Arrietty, is discovered.

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