The school festival is in full swing. Every member of the Classics Club is doing their best: Satoshi is participating in the quiz competition, Hotaro is holding down the fort in the sales area, Eru is trying to find new distribution channels, and Mayaka has to establish herself in the Manga Club, only to later face an almost insurmountable challenge in the cooking competition. Will they be able to sell enough copies of the essay collection? And what is behind the strange thefts that are causing a stir throughout the school festival?.