A girl finds a strange egg and brings it back to her village, only to later realize it was from a monster. Now a giant monster emerges from the lake to search for the egg, destroying the town and its inhabitants.
A-Kin's father dies. A-Kin pursues the killer in a game. Nisa enters accidentally, befriends him. He nearly deletes himself, loses memories of her. She saves him. A-Kin defeats the villain, restores order.