As Meimi strolls through a deserted park, the demon Rococo strikes without warning, unleashing her Eternal Arm to draw Misty Mei’s power from her body. At home, Naoto’s stepsister Hikari arrives after years abroad and enrolls at his school, a development that quietly unsettles his girlfriend Rika. Their tender reunion is cut short when Misty Mei appears and spirits Rika away. The angel Luvriel soon explains that only a new Jibril born from Naoto and Hikari can bring Rika back.