Grand Blues!

ぐらぶるっ！

Set in the grand blue skies up above, the depths of darkness, elder sisters, knights, gentlemen, Vyrn lovers― all the colorful crew members will get to shine in a whole new light! "Kept you waiting, huh? It's time for you to see our final forms!" Join us and take flight to the world in the skies! (Source: Crunchyroll)