Kanna watched the elementary schoolers going to school with jealousy, so Miss Kobayashi decides to let Kanna attend elementary school. Miss Kobayashi, Tohru, and Kanna all set out to the shopping district in order to buy Kanna's school supplies, but Miss Kobayashi is overwhelmed by the modern stationery store recently built. On the other hand, both Tohru and Kanna are intrigued by their first sight of stationery stores. After they finally gather all the supplies she needs, it's time for Kanna to join the school!!

Two suspicious figures appear in a dark alley under the cover of night. An unsettling air hangs over their secret exchange. "What do you need, asking me to come here?" asks the perverted woman with two horns. "Lend me your power," answers the melancholic man in a butler uniform. And so the most sinister and awful tag team begins to take action.