
The original story is set before Mewtwo meets Satoshi and his friends in the upcoming film's storyline. It will focus on Mewtwo's history, goals, and how it became the strongest Pokémon.
Mewtwo: Kakusei e no Prologue is a Japanese anime of 7,310 characters, with 820 unique words and 376 different kanji. Its difficulty rating on Jiten is average, 2.0 out of 5. The full vocabulary list ranks all 820 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.