1girl, alternate_costume, bikini, black_bikini, black_nails, breasts, brown_eyes, dark-skinned_female, dark_skin, eyewear_on_head, full_body, glasses, grey_hair, holding, holding_innertube, huge_breasts, innertube, kantai_collection, long_hair, mashiro_yukiya, musashi_(kancolle), musashi_kai_ni_(kancolle), navel, sandals, semi-rimless_eyewear, solo, swimsuit, twintails, very_long_hair