3girls, :d, ahoge, bare arms, blue eyes, blue hair, blue one-piece swimsuit, blue sky, breasts, brown eyes, brown hair, closed mouth, cloud, collarbone, covered nipples, cowboy shot, dead aegis, game cg, hair ribbon, halterneck, hand on hip, iizuka minori, ilyusha petrovna, kisaragi nana (dead aegis), large breasts, leaning forward, looking at viewer, multiple girls, navel, ocean, one-piece swimsuit, open mouth, outdoors, pink one-piece swimsuit, purple eyes, red ribbon, revealing clothes, ribbon, shiny skin, sky, slingshot swimsuit, smile, standing, summer, sunlight, swimsuit, thigh gap, twintails, ueda metawo, white hair, yellow one-piece swimsuit