A flashback shows that Kaikoku was treated like a tool by his grandfather back at the Onigasaki house due to being the next heir, causing him to rebel and run away from home. In the present, Iride and Karin are held in a cage at the oni's mansion. Iride manages to slip through the bars, but Karin is left behind and turned into one of Kikka's maids for her life-sized dollhouse, named Veronica. He crawls through the ceiling vents and manages to meet with Zakuro and Kaikoku, who have come for the kidnapped girls and Karin. The three split up to the three towers of the mansion to find the trapped girls, which Iride discovers first and heads back into the room he was initially caught to find the key...