Tiarozety Isol is a transmigrated reader who becomes the story’s protagonist after a twist of fate—armed with knowledge and sarcasm.
Eleanor is a formidable and mysterious figure, acting as both antagonist and complex love-interest in Dowd’s journey.
Cha Mi-A returns after vanishing for 5 years—cold, changed, and holding secrets that disrupt the life of the one who once loved her.
Ushio’s grandfather is the origin point of the family's mermaid vow, binding generations to a mystical past.