
In 2003, Okinawan high schooler Miu gets interested in Minato-senpai, who has just lost his both parents. She cheers him up by exchaning MiniDisk mix tapes with him. They start a long-distance relationship when Minato graduates and moves to Tokyo, and Miu eventually follows him to Tokyo for college. Some years later, while Miu is struggling with her job hunting, Minato suddenly breaks up with her, and she returns to Okinawa. 15 years later in 2024, Miu is married to her childhood friend Ryusei, and is now terminally ill. Her daughter Himari is sent to Tokyo to deliver a message on a MiniDisk to the man her mother loved.
366 Days (2025) is a Japanese movie of 13,691 characters, with 1,131 unique words and 489 different kanji. Its difficulty rating on Jiten is easy, 1.6 out of 5. The full vocabulary list ranks all 1,131 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.