Four consecutive releases of the eighth single from each group of "B-PROJECT"! Comes with a randomly selected replica-signed photo card (randomly selected from seven kinds, designs: Kaneshiro, Ashuu, Aizome, Yuzuki, Haruhi, Fudo, Shingari). KiLLER KiNG: Yuzuki Teramitsu (CV: Kotaro Nishiyama), Haruhi Teramitsu (CV: Taku Yashiro), Akane Fudo (CV: Shoya Chiba), Miroku Shingari (CV: Takuya Eguchi)