1girl, aquarium, back, bare_shoulders, black_hair, blue_hair, breasts, bronya_zaychik, casual_one-piece_swimsuit, dress, drill_hair, fish, grey_eyes, grey_hair, hair_between_eyes, hair_ornament, honkai_(series), honkai_impact_3rd, jacket, kuo_(kuo114514), light_rays, light_smile, looking_at_another, mermaid_dress, multicolored_hair, one-piece_swimsuit, seele_vollerei, short_hair, small_breasts, surgeonfish, swimming, swimsuit, tropical_fish, water, white_jacket, yellow_tang