1boy, 1girl, alternate_universe, aquarium, bare_shoulders, black_footwear, black_hair, blonde_hair, breasts, cleavage, coat, coral, couple, felia_hanakata, fish, full_body, grey_pants, hairband, hetero, indoors, jewelry, long_hair, long_sleeves, looking_at_another, medium_breasts, mermaid, monster_girl, monsterification, necklace, pants, red_eyes, spy_x_family, standing, twilight_(spy_x_family), water, white_coat, yor_briar