Myne and Ferdinand from Ascendance of a Bookworm HD Wallpaper

Two chibi-style characters, Myne and Ferdinand, hold up a string of triangular flags with Japanese text. Myne, on the left, has dark hair and is wearing an orange and yellow dress. Ferdinand, on the right, has light blue hair and is wearing a green tunic and blue cape. They are in front of a large pink circle with confetti and geometric shapes scattered around.