A peaceful stroll turns perilous for Meimi when the demon Rococo strikes with a powerful technique designed to extract the essence of Misty Mei. Back at Naoto's residence, the arrival of his stepsister Hikari from her studies abroad brings her into the same academic environment, sparking subtle tensions with his beloved Rika. Their private encounter in the school infirmary is shattered by Misty Mei's intervention, which whisks Rika away, prompting the angel Luvriel to propose a fateful union with Hikari to birth a new Jibril capable of mounting a rescue.