Four consecutive releases of the eighth single from each group of "B-PROJECT"! Comes with a replica-signed photo card (randomly selected from seven kinds, designs: Kitakado, Korekuni, Masunaga, Onzai, Osari, Nome, Sekimura). Kitakore: Tomohisa Kitakado (CV: Daisuke Ono), Ryuji Korekuni (CV: Daisuke Kishio)