1girl, blue_one-piece_swimsuit, blue_sky, blush, closed_mouth, covered_navel, cropped_jacket, holding, holding_innertube, innertube, jacket, kagerou_project, kozakura_marry, long_hair, looking_at_viewer, low_twintails, mokemoke_chan, one-piece_swimsuit, pink_eyes, short_sleeves, sky, solo, swimsuit, twintails, very_long_hair, white_hair, white_jacket