After Rococo subjects Djibril to sadistic torment, she launches an assault on the school and captures Rika. To rescue her, Hikari transforms into Holy Angel Jiburiru Aries and, fueled by a passionate encounter with Naoto and Rika, wields the sacred sword Excalibur to defeat the demon. Peace returns to the school, though Naoto finds himself caught in a comedic struggle for affection between the girls.