
A middle-aged couple, Aon and Jira, find their long-term relationship under strain as career frustrations, health worries, and emotional distance begin to surface. When a series of setbacks disrupts their anniversary and sleepless nights deepen Aon’s anxieties, the pair must confront the fragile state of their bond and decide whether their love can endure the challenges of time and change.
Hard Nights is a Japanese drama of 129,268 characters, with 5,737 unique words and 1,453 different kanji. Its difficulty rating on Jiten is average, 2.5 out of 5. The full vocabulary list ranks all 5,737 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.