1girl, bare_shoulders, bikini, bikini_skirt, blue_archive, blue_sky, breasts, brown_eyes, brown_hair, cleavage, cloud, cloudy_sky, collarbone, day, detached_sleeves, eyewear_on_head, frilled_bikini, frills, groin, hair_between_eyes, halo, hand_on_own_stomach, hifumi_(blue_archive), hifumi_(swimsuit)_(blue_archive), long_hair, looking_at_viewer, low_twintails, maddo_(gasser_0518), navel, official_alternate_costume, parted_lips, short_sleeves, side-tie_bikini_bottom, sidelocks, sky, solo, spaghetti_strap, spread_navel, stomach, sunglasses, swimsuit, twintails, white_bikini, wing_hair_ornament