tsukishiro yayoi (yumeir0), nanami lucia, nanami lucia (princess), mermaid melody pichi pichi pitch, 1girl, bare shoulders, bikini, blonde hair, blue eyes, blush, breasts, cleavage, collarbone, detached sleeves, earrings, flower, hair between eyes, hair flower, hair ornament, happy birthday, jewelry, long hair, long sleeves, looking at viewer, medium breasts, mermaid, monster girl, navel, necklace, open mouth, pink bikini, pink flower, shell, shell earrings, shell necklace, smile, solo, stomach, swimsuit, twintails, very long hair