The film is adapted from the novel of the same name by Masato Kotake. Naomi Kobayakawa is an editor at a publishing house. After her parents died unexpectedly, she moved into a high-end apartment with the help of her uncle. So she started a new life with her cat. One day she met Tokito Morinori, a famous actor who lived in the same building with her. Kobayakawa was intoxicated by the dreamlike encounter with him, and her daily life gradually changed.