sanbaka anniversary outfit

The official alternate costume given to the members of Nijisanji's Sanbaka (Ange Katrina, Inui Toko and Lize Helesta) to celebrate their 3rd anniversary, as seen in Danbooru post #3975366 and Danbooru post #5254811. Designed by usasuzu, with Shigure Ui in charge of official illustrations.

It has an idol clothes theme.