It's time for the school's first-ever Cultural Festival! Some refuse to participate, but the rest of Ayanokouji's class secretly works to build the maid cafe of their dreams. Ryuuen realizes what they're up to and declares war, forcing a head-to-head battle to see which cafe is more profitable. But as this goes on...what business does Ayanokouji have with Kanzaki and President Nagumo?