1girl, black_one-piece_swimsuit, blue_sky, bow, breasts, bronya_zaychik, bronya_zaychik_(cosplay), bronya_zaychik_(silverwing:_n-ex), caisena, cloud, collarbone, cosplay, day, grey_eyes, grey_hair, hair_between_eyes, hair_bow, honkai_(series), honkai_impact_3rd, long_hair, medium_breasts, one-piece_swimsuit, outdoors, parted_lips, purple_sailor_collar, red_bow, ringlets, sailor_collar, school_swimsuit, school_uniform, see-through, serafuku, shirt, short_sleeves, sky, solo, swimsuit, swimsuit_under_clothes, undersized_clothes, very_long_hair, water, wet, white_shirt