Each chapter consists of a short story, written in pure Japanese, concerning the adventures of "Nao-kun" (a high school student) and "Ink-chan" (a mysterious magical girl who arrives to help him with his studying), followed by a set of word examples.
Unfortunately, many of the English examples in the book are bizarre, unnatural, or downright incorrect. As such, the book has become a popular import for native English otaku or others who are amused by Engrish phenomena.
The book kicks off with an apparent spelling and grammar mistake on the cover ("She is the moeest of lovely English teacher in the world"). The attached wrapper invites customers to "Buy now, falling love with Ink-chan, and GET IN to college!!"