Vol. 4Dragon Flower and Fifth Sun
Novia and Ritsuka resolved Singularities in France, Rome, London, and America while Novia also lived as Ivia and faced the Dragon Flower crisis. The volume ended with the Indian forces advancing on Riverton as Karna went to aid the Americans.
- Novia helped Ritsuka and Mash resolve the France and Rome Singularities, then saw Shiyali decline to return to Chaldea and entered a Greek labyrinth with Jeanne d'Arc Alter Lily.
- Ritsuka and Novia confronted Kama in London, after which Novia became Ivia, protected Miyu, and grew close to Ilya.
- Ivia helped Ilya and her friends gather Class Cards, welcomed Chloe, and learned the truth about Ilya's birth as the Holy Grail.
- Ivia and the girls confronted Dragon Flower, whose power threatened their world, while Gilgamesh warned Ilya that Ivia was stronger than them all.
- Ivia and Miyu defeated Dragon Flower, then Ivia restored Pandora's world and helped create the New Primates with Pandora, Ilya, Chloe, Miyu, and Archetype.
- Novia and Ritsuka entered the Fifth Singularity, where Novia made a truce with Vritra as American and Indian forces prepared to fight at Riverton.
- Miyu resisted Dragon Flower's alternate worlds, and Ivia reunited with the girls and accepted Miyu's wish to remain with him.
- Novia met Pirogov and Edison, encountered Rama after Krishna defeated him, and watched Beowulf and Karna move to help the Americans against the Indian forces.