It is the first album to feature 8th generation member Aika Mitsui and the last full-length studio release to feature 4th generation member Hitomi Yoshizawa as the group's leader and 6th generation member Miki Fujimoto as both the group's subleader.

in December 2006), "Egao Yes Nude", "Sexy Boy: Soyokaze ni Yorisotte" and "Ambitious!

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").

All tracks are written by TsunkuTracks 2 and 3 on the DVD were recorded live at Hello!

Project's 2007 Winter Wonderful Hearts Otome Gokoro concert.