Kyouran☆Countdown / Peaky P-key [Limited Edition] / 響乱☆カウントダウン / Peaky P-key [Blu-ray付生産限定盤] / Kyouran☆Countdown / Peaky P-key [Limited Edition]

Also includes an additional Blu-ray containing episodes 1 and 2 of D4DJ ALL MIX (not included in the tracklist).

Peaky P-key are Kyoko Yamate (CV. Aimi), Shinobu Inuyose (CV. Miyu Takagi), Yuka Jennifer Sasago (CV. Moeka Koizumi), Esora Shimizu (CV. Reo Kurachi)