The Wind, Fire, and Water Above Kamogawa - S1.E6

Madoka, wanting to take revenge against Villagiulio, stands against him in a battle. However, Muginami ends up activating her Vox unit and standing in Madoka's way, telling her that she's only being selfish in trying to take revenge on her behalf. As Madoka argues with her, a mysterious occurrence causes a mysterious flower known as Lagrange to rain from the sky.