As the girls are given supplement training as punishment for stealing a tart during the night, prohibiting them from leaving school grounds, Lotte becomes depressed as it leaves her unable to go in town to attend the release of the latest volume in her favorite book series, Night Fall. Akko and Sucy manage to sneak Lotte aboard a potato delivery bus traveling in town after they hear her passion for the series and desire to meet the author, Annabel Crème...