"Mark my words, Amagiri Ayato. There will come a time when you will need my help". An encounter with the Magnum Opus Hilda. After Ayato rejected her proposal of joining forces in exchange for healing Haruka, Hilda left with ominous words. In the midst of that, the Seidoukan members train for the Gryps. Claudia reveals both Pan-Dora's secret and her motives, deepening the bond of the team. Then the season becomes spring, Ayato and the others become second years, and the Asterisk School Festival begins. As planned beforehand, Ayato goes on a date with Sylvia.