1girl, beach, bikini, black_hairband, blue_bikini, blue_sky, blunt_bangs, breasts, collarbone, day, defaultkavy, feet_out_of_frame, hairband, halterneck, honkai_(series), honkai_impact_3rd, horizon, large_breasts, long_hair, looking_at_viewer, multi-strapped_bikini, navel, ocean, outdoors, pier, raiden_mei, sky, solo, string_bikini, swimsuit, tongue, tongue_out