
Takenouchi plays an aquarium employee named Kengo, who seems ordinary at first glance but actually possesses a secret that he would sacrifice everything in order to protect. Meanwhile, Ueto plays Risa, a young woman working in the sex trade in order to pay off her brother's debt, though her situation has led her to contemplate suicide. These two characters, both full of despair, meet each other and end up entering a contract marriage purely for its benefits. However, as they overcome various troubles, their relationship begins turning into true love.
Nagareboshi is a Japanese drama of 57,810 characters, with 2,719 unique words and 926 different kanji. Its difficulty rating on Jiten is average, 2.7 out of 5. The full vocabulary list ranks all 2,719 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.