1girl, d, armpits, arms_up, bikini, blue_hair, blush, borrowed_character, breasts, cleavage, collarbone, fins, fukami_nana, full_body, green_bikini, green_eyes, hair_flaps, kiria_ai, large_breasts, looking_at_viewer, mermaid, monster_girl, navel, open_mouth, original, smile, solo, swimsuit, transparent_background