In total, the book contains 330 vocabulary words and 477 phrases, which should be enough to craft more than a few English-language social media posts about a new anime episode or voice actor concert.
Because the Japanese school system isn’t going to teach them how to say “The set list is lit!”
Japanese publisher Gakken has designed the book to provide Japanese otaku and fujoshi with the skills the need to talk about their passion for anime, games, and idols, including their oshikatsu, or activities for supporting their oshi (favorite character or performer). The book’s focus is on words and phrases used in fan-to-fan conversations and social media posts, especially casual and slang phrases that aren’t likely to be introduced in classroom instruction, like “I cleaned and rearranged my merch altar,” “Let’s take photos of the plushies,” and “My fave looks happy, and that’s all that matters.”
If you’re learning a foreign language, pretty much any entry-level class or textbook will teach you the basic words and phrases for talking about things like food, clothing, and transportation.