Chiyaha and friends leave behind Natsuki and go up to the amusement park. Natsuki catches up and *** Mafuyu from the magic of the Stamen. Unfortunately, he is seen by Chihaya and their relationship is on the rocks... In the meantime, all the girls in the amusement park fall prey to the hordes of tentacles. In front of the enemy's grand power, Carmine and Cerulean Blue don't stand a chance, but they are saved by Septem. Why was Septem an enemy in the first place? Everything is revealed!