sakotsu (harisoudaisu), asari nanami, idolmaster, idolmaster cinderella girls, absurdres, commentary request, highres, 1girl, blue eyes, blue hair, bracelet, bubble, coral, fins, fish, hair ornament, hair rings, head fins, jewelry, long hair, mermaid, monster girl, monsterification, nail polish, open mouth, reaching, round teeth, single hair ring, solo, sparkle, starfish hair ornament, teeth, underwater