魔法使いを目指すことになった「普通のひと」のココと同じアトリエで魔法を学ぶアガットは、「第２の試験」を受けることに。合格すれば、魔法使いではない人達の前で魔法を使う許可が下り、一人前に一歩近付けます。一方、禁止魔法に手を出す「つばあり帽」は、彼女たちの師匠であるキーフリーの庇護が離れる試験の際に、「何か」を仕掛けようと企てているようで――？細部まで描き込まれた世界観と王道な物語が人気の、魔法ファンタジー第４巻！

Can Coco and her friends pass their most harrowing test yet? Or will the nefarious Brimmed Caps end their journey towards witch-hood?!
Now that Coco has been fully accepted into Qifrey's Atelier, it's time for her and her colleagues to move onto the next test: The Sincerity of the Shield. Passing the test involves escorting some feathery friends to their nesting grounds, which sounds simple enough, except that the path before the young witches is a winding road filled with ancient magical traps! The test must also be completed in a group, and there's one witch-in-training from outside of Qifrey's atelier who doesn't seem to have the confidence to make the cut. To top it all off, a Brimmed Cap lurks in the shadows, waiting to attack...