Etsuko Yakushimaru - Noruniru (Mawaru Penguindrum op. full version)
Mawaru Penguindrum OP - Yakushimaru Etsuko - Noruniru
Mawaru Penguindrum OP - Yakushimaru Etsuko - ノルニル
Yakushimaru Etsuko - Noruniru [OST Mawaru Penguindrum OP]
Yakushimaru Etsuko - Noruniru -Mawaru Penguindrum OP 1
Etsuko Yakushimaru - Shonen yo Ware ni Kaere (Mawaru Penguindrum OP 2)
Etsuko Yakushimaru - Nornir (Mawaru Penguindrum OP)
Etsuko Yakushimaru Metro Orchestra - Boy Come back to me [Mawaru Penguindrum OP]
[Mawaru Penguindrum OP] Yakushimaru Etsuko, the Metro Orchestra - Noruniru ~TV size~