
After a traffic accident, 52-year-old civil servant Kenzaburou Tondabayashi awakens to find he's become Grace Auvergne, a duke's daughter, and more importantly the villainess of an otome game. Not wanting to get in the way of the happy endings of the young characters around him, Grace sets out to play the role of the villain, but whether it's due to Kenzaburou's memories of being an affectionate parent getting in the way or not being able to remember those pesky foreign names properly, it ends up being a lot harder than it looks...
Akuyaku Reijou Tensei Oji-san is a Japanese anime of 71,786 characters, with 4,287 unique words and 1,200 different kanji. Its difficulty rating on Jiten is average, 2.5 out of 5. The full vocabulary list ranks all 4,287 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.