Princess Margaret Watson
The princess of Theodore. Ever since her father passed away, she's been left to help take care of her kingdom with her mother.
- Interspecies Romance: She can pursue this with Estel, an elf.
- Rose-Haired Sweetie: Her hair color is pink and she's very devoted to the love interest whose route she is in.
- Tomboy Princess: As a child and an adult, she's always been interested in things like sword fighting and archery.
Ethan
A human knight who attempted to help stop King Arthur's invasion on Theodore.
- Straw Misogynist: He seems like one at first, saying that he doesn't think a woman should fight.
Ray
A mage's known for his mysterious aura.
- Chivalrous Pervert: His opening scene in Estel's route includes him checking out the heroine's chest.
- Dark Is Not Evil: He has black hair and wears dark clothing, but is one of the heroes.
- Jerk with a Heart of Gold: Ray is not a pleasant person to be around, and he doesn't hold back in criticizing the heroine or anyone else. Nevertheless, he cares about the heroine more than he seems to and is a reliable companion in the other guys' routes.
Estel
An elven archer tasked to assist the heroine in retrieving Excalibur.
King Arthur
The king of Logres and the primary antagonist.
Merlin
A wizard who assists King Arthur in his quest.
- Defeat Means Friendship: Like Arthur, she becomes friendlier towards the heroine and her companions in the best endings. One of the spin-off stories has her prepare some cupcakes and tea for the heroine as an apology for her behavior, but she and Ray think she's up to no good.
- Gender-Blender Name: "Merlin" is a masculine name, but the character is female. The name is chosen because Merlin was the wizard from the Arthurian legend.
- Stripperiffic: Her outfit is tailored so that it shows off her naval and breasts.