Chiyu Mahou no Machigatta Tsukaikata - Episode 10 - Suzune's Armor

Suzune showed off her new sparkly armor to Usato on the morning of their first battle with demons.

Suzune was so proud of her armor, but it did little good after she met the Black Knight on the battlefield. His (her?) armor reflected all damage it took back to its aggressor. Can Usato reach Kazuki and Suzune in time to save their lives? And how will Usato defeat the Black Knight? Rose's secret technique will be the answer.