
I-Machines are the general term for robots that operate in extreme environments. While Alliance Academy student Maya Mikuri is in the middle of operating an I-Machine, she gets involved in an incident with pirates, and ends up serving as a crew member on an excavation company's spaceship. (Source: Anime News Network)
ID-0 is a Japanese anime of 60,253 characters, with 4,102 unique words and 1,133 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 4,102 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.