3girls, ako (blue archive), animal ears, black background, blue archive, box, buruma, english text, fox ears, fox girl, gym shorts, gym uniform, hairband, halo, hasumi (blue archive), hasumi (gym uniform) (blue archive), korean text, mari (blue archive), mari (gym uniform) (blue archive), multiple girls, official alternate costume, parody, shorts, siblings, simple background, sisters, socks, white socks, yanggaengwang