
Mitsuru Fukushima stumbles on the skeleton of a woman named Mitsuko who looks like him. He assumes her identity, and goes to the school where she was scheduled to start work as a teacher. His students are tough as nails, but another new teacher, Keiko, claims to recognize him(her), and convinces him to persevere in this new job.
Debusen is a Japanese drama of 26,847 characters, with 2,090 unique words and 821 different kanji. Its difficulty rating on Jiten is average, 2.0 out of 5. The full vocabulary list ranks all 2,090 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.