momomoi momoi, koyuki (blue archive), noa (blue archive), rio (blue archive), yuuka (blue archive), blue archive, commentary request, highres, 4girls, :d, ^ ^, alternate costume, arms up, ball, bare shoulders, beachball, bikini, black bikini, black hair, black halo, black nails, blue bikini, blue eyes, blue nails, blush, breasts, cleavage, closed eyes, closed mouth, cocktail glass, collarbone, cup, drinking glass, flat chest, from side, grey hair, grey halo, halo, hand up, holding, holding cup, large breasts, long hair, multiple girls, navel, open mouth, outdoors, pink hair, pink halo, ponytail, purple eyes, red eyes, seminar (blue archive), shirt, smile, splashing, stomach, swimsuit, twintails, very long hair, wet, wet clothes, wet shirt, white shirt