
A "Doctor-X: Surgeon Michiko Daimon" spinoff starring Masanobu Katsumura as surgeon Hideki Kaji, the "wizard of laparoscopy."
Doctor-Y ~Gekai Kaji Hideki~ is a Japanese drama of 47,945 characters, with 3,416 unique words and 1,167 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 3,416 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.