1girl, aaoshigatoutoi, bare_shoulders, bikini, border, brown_eyes, closed_mouth, collarbone, cross, cross_earrings, crossed_arms, earrings, girls'_frontline, hair_ornament, hairpin, jewelry, lifebuoy, light_brown_hair, light_smile, long_hair, looking_at_viewer, official_alternate_costume, on_water, ppk_(foliage_romance)_(girls'_frontline), ppk_(girls'_frontline), simple_background, solo, swimsuit, upper_body, water, white_border