Sayumi Michishige
The album features the band's previous four singles "Aruiteru" (which also appeared on the EP "7.5 Fuyu Fuyu Morning Musume Mini!" in December 2006), "Egao Yes Nude", "" and "Ambitious! Yashinteki de Ii Jan". Also, as with "Rainbow 7" and "7.5 Fuyu Fuyu...", tracks by four different sub-factions of the group are featured, including a solo track by Yoshizawa and the third pairing of Sayumi Michishige and Koharu Kusumi as their alter-egos "Shige-pinku" and "Koha-pinku" (first established on "Rainbow 7"'s "Rainbow Pink").