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Rex: A Dinosaur's Story (Japanese: REX 恐竜物語, Hepburn: REX: Kyōryū monogatari) is a 1993 Japanese film directed by Haruki Kadokawa, based on a manga written by Masanori Hata and illustrated by Clamp. The film stars Yumi Adachi as Chie, a young girl who befriends a young Tyrannosaurus rex after it hatches from an egg co-discovered by her paleontologist father (Tsunehiko Watase). The film grossed ¥2.2 billion on an estimated ¥2 billion budget, and a total outlay of ¥2.45 billion once the marketing costs of ¥450 million were factored in.