 The tenth was a trio between Aya Hirano, Shizuka Hasegawa, and Minori Chihara as Konata, Yutaka, and Minami respectively which was released on October 24, 2007.The eleventh album was another duet between Hirokazu Hiramatsu as Sōjirō Izumi, and Sumi Shimamoto as Kanata Izumi which was released on November 21, 2007.The twelfth album was a duet with Saori Nishihara as Yui Narumi, and Konomi Maeda as Nanako Kuroi which was also released on November 21, 2007.