1girl, armpits, arms_behind_head, arms_up, asamura_hiori, azur_lane, bare_shoulders, bikini, black_bikini, blush, breasts, cleavage, collarbone, large_breasts, long_hair, looking_at_viewer, navel, official_alternate_costume, orange_eyes, red_hair, sideboob, sidelocks, smile, solo, stomach, swimsuit, underboob, white_background, zara_(azur_lane), zara_(poolside_coincidence)_(azur_lane)