1girl, ahoge, blonde_hair, blue_eyes, breasts, day, full_body, jewelry, liliantsai0417, looking_at_viewer, mermaid, mermaid_melody_pichi_pichi_pitch, monster_girl, nanami_lucia, nanami_lucia_(mermaid), navel, necklace, outdoors, pink_scrunchie, scrunchie, shell, shell_bikini, sidelocks, small_breasts, solo, twintails, underwater