[Deadline to receive bonus for purchasing all 6 titles: Nov.7, 2021 *Offer is Over](Happy Around!, Photon Maiden, Peaky P-key, Photon Maiden, Merm4id, Rondo, Lyrical Lily) Peaky P-key, a unit of high school students appearing in "D4DJ", a new media mix project by Bushiroad based on the theme of "DJ". The music producer of the unit is Noriyasu Agematsu (Elements Garden). Limited Edition Blu-ray includes the mini-anime "Pucchi Miku D4DJ Petit Mix" episodes 6-9. It also includes D4DJ D4 FES. -Be Happy- REMIX live video -Peaky P-key- and the music video for the title track "Let us sing "Peaky!!!".