deyui, koharu (blue archive), mika (blue archive), mika (swimsuit) (blue archive), blue archive, commentary, highres, 2girls, bare shoulders, beach, bikini, black bikini, black bow, black wings, blurry, blurry background, blush, bow, breasts, choker, cleavage, collarbone, day, feathered wings, fingernails, floral print, floral print bikini, frilled bikini, frills, front-tie bikini top, front-tie top, hair bow, hair down, halo, hand on another's shoulder, head wings, large breasts, long hair, looking at viewer, multiple girls, nail polish, navel, ocean, open mouth, outdoors, pink eyes, pink hair, pink halo, pink nails, print bikini, sand, smile, stomach, sweat, swimsuit, thighs, twintails, v, white bikini, white choker, wings, yellow eyes