[Machine Translation] Finally, a direct confrontation with Metatron! (Next generation youth entertainment with the strongest catharsis! At the cultural festival of Umego Junior High School. Amidst the grand spark that is being created by the girls who have received tickets from Haruyuki and the eyes of Kuroyukihime, who has found out about it. The festival was going on, and everyone's hard work was being put to use in a lively way. However, in the midst of the festivities, one of the delaine who had been injected with an ISS kit by Magenta Scissors the day before collapsed. In response to the emergency situation, Kuroyukihime and the others decide to go on a mission to defeat "Archangel Metatron," who is protecting the ISS kit itself. Haruyuki and the others challenge to rescue "Aqua Current" first in order to be fully prepared for the mission. However, the group is quickly wounded by the onslaught of the "Four Gods of Seiryu" waiting for them at the east gate of the Imperial Castle. Then, Haruyuki is confronted with the horror of Seiryu's most deadly attack, "Level Drain"!