
On Miyajima Island, known for its mythical history, a phantom thief has arrived. Ura, known throughout the world as a cunning trickster, has his name is tarnished by an unknown foe masquerading as him. But on this island reside the Three Great families, descended from some of legend's most storied heroes; Momotarou, Kintaro, and Otohime. These families work together to protect the Mystical Treasures and are sworn enemies of the phantom thief. Their youngest descendants, all high schoolers, have taken this oath and vowed to hunt down Ura. The twist? They're all schoolmates now! Join Phantom Thief Ura as he seeks out his impostor and befriends his rivals in a story centuries in the making... and perhaps snag a few Mystical Treasures along the way!
Onigokko! is a Japanese visual novel of 945,575 characters, with 18,873 unique words and 2,283 different kanji. Its difficulty rating on Jiten is average, 2.2 out of 5. The full vocabulary list ranks all 18,873 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.