Winning A Signed Photo From Mook Vol.2: 10th Keyword Posted by panickofpain on November 8, 2010 Posted in: Berryz Koubou, C-ute, Hello! Project, Mano Erina, Morning Musume, S/Mileage. Tagged: Berryz Koubou, C-ute, Hello! Channel, Hello! Channel Mook, keyword, Mano Erina, Mook, morning musume, S/Mileage, vol.2. Leave a comment Ai and Maimi are the ones who revealed the 10th keyword.