op Hamtarou Tottoko Uta 2011 ハム太郎とっとこうた2011 Miyata Kouki/Aikawa Rikako/Sakuma Rei/Sugimoto Yuu/Suzuki Chihiro/Kawai Ritsuko/Itou Kentarou/Ham-chans/Honda Takako/Ikezawa Haruna/Mamiya Kurumi/Matoi Kaori/Murai Kazusa/Saitou Yuuko/Uchikawa Ai
