deyui, koharu (blue archive), koharu (swimsuit) (blue archive), mika (blue archive), mika (swimsuit) (blue archive), blue archive, highres, 2girls, beach, bikini, black bikini, black tube top, blurry, blurry background, body markings, breasts, cleavage, crossed bangs, feathered wings, flat chest, floral print, floral print bikini, frilled bikini, frills, hair between eyes, head wings, large breasts, low wings, multiple girls, navel, official alternate costume, official alternate hairstyle, outdoors, pink eyes, pink hair, print bikini, stomach, strapless, sweat, swimsuit, tube top, v, white bikini, wings, yellow eyes