1girl, d, bare_shoulders, bikini, black-framed_eyewear, blue_archive, blue_sky, blush, breasts, brown_eyes, brown_hair, cloud, collarbone, day, eyewear_on_head, floating_hair, frilled_bikini, frills, halo, hand_up, hifumi_(blue_archive), hifumi_(swimsuit)_(blue_archive), hoshimiya_aki, long_hair, low_twintails, navel, official_alternate_costume, outdoors, peroro_(blue_archive), ribbon-trimmed_bikini, round_eyewear, side-tie_bikini_bottom, sky, small_breasts, smile, solo, stomach, sunglasses, swimsuit, twintails, very_long_hair, white_bikini