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Manga / Princess Knight

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Aka Ribon no Kishinote  and Choppy and the Princess.

The story of Sapphire, the princess of Silverland, who must pretend to be a prince.

In Heaven, the souls of unborn children are being prepared for their births. Tink, an inexperienced apprentice angel, accidentally gives a child who will be born female both a pink "girl's" heart and a blue "boy's" heart. When this is found out, it's too late to fix the mistake, so Tink is banished to Earth in a weak mortal body to watch over the twin-hearted child.

Meanwhile, in Silverland, a vaguely medieval kingdom, the King learns to his dismay that the Queen has given birth to a girl, and due to complications cannot have another child. Women cannot inherit the throne, and the King knows that his closest male relative, Duke Duralumin, is a wicked man who would oppress the people. So the King pretends that Sapphire was born male, with only a handful of close advisors knowing the truth.


Thanks to her dual nature, Sapphire is equally adept at male and female activities (even if the latter must be taught in secret). The story picks up in Sapphire's early adolescence, as Duke Duralumin steps up his attempts to prove the Prince to be a girl, and Tink finally finds Sapphire in the mortal world. And it's a good thing Sapphire has a new ally, as the Duke is not the only force that threatens Silverland.

Ribon no Kishi was created by Osamu Tezuka in 1953, and is one of the earliest shojo manga. The original manga series ran from 1953 to 1956 and proved popular enough to be granted a sequel, Twin Knights, starring Sapphire's daughter Princess Violetta on her search for her lost twin brother Prince Daisy. During the 60's Tezuka also made a TV anime adaption and an extended remake of the manga. Both versions followed roughly the original story up until close to its ending where they split off in their own directions. The new manga had Sapphire encountering the pirate Blood, fellow swords-woman Friebe and the goddess Venus, all while overcoming the permanent loss of her boy-heart. The anime also played around with some of these ideas, but quickly put them aside in favor of a longer Story Arc involving a new villain, Mr. X.


The anime was broadcast in the United States as Princess Knight or Choppy and the Princess, the latter being at first the title of a short movie made by mashing together three of the episodes. Distribution of the American version was spotty at best, and it wasn't until 2012 that the show got a proper DVD release. The 60's manga has received an English language two-volume collected release from Vertical inc in 2011 and a similar release of Twin Knights finally saw the light of day in 2013.

Princess Knight provides examples of:

  • Action Girl: Sapphire and Friebe. Violetta and Emerald in Twin Knights.
  • Adult Fear: Sapphire and Franz are terrified when they learn that their infant son has disappeared. They have the castle searched from top to bottom for him, and even search the moat.
  • Anti Anti Christ: Hecate, Satan's daughter, who's secretly good, or at least no worse than mischievous.
  • Back from the Dead: Sapphire's parents, in the finale of the anime, and Sapphire herself thanks to Venus's help.
  • Bad Is Good and Good Is Bad: Hecate, while not truly evil, was raised by Madame Hell (or Mephisto, depending on the version) and has some very disturbing ideas of what constitutes harmless fun.
  • Bag of Kidnapping: Captain Blood does this to Princess Sapphire in episode 48 after knocking her out, to hand her over to the X-Union for reward money.
  • Bifauxnen: Sapphire can pull off pretending to be a prince because she resembles one.
  • Big Bad: Mr. X. Even Satan pales in comparison in terms of sheer evil. Though in the manga, Madame Hell is the Big Bad.
  • Bishōnen: See the entry for "Dude Looks Like a Lady", below.
  • The Chew Toy: Sir Nylon. His constant misfortune gets more amusing.
  • Clingy Jealous Girl: Venus.
  • Damsel in Distress: Although more often than not, it evolves into Damsel out of Distress.
  • Deus ex Machina: Played with, due to the nature of the plot.
    • Played straight when a bunch of angels come to help Tink to fight Madame Hell or when God himself helped out briefly.
    • Deconstructed when the help of Venus makes everything worse, since her help isn't for free and almost ruined the Happy Ending.
  • The Dog Bites Back: In the anime Sir Nylon, Duralumin's luckless henchman, finally snaps from the abuse and kills his boss, ruling Silverland for a very brief time as a drooling madman and puppet of Mr. X.
  • Driven to Suicide: Duke Duralumin kills himself when he thinks his son is dying.
  • Dude Looks Like a Lady: When Sapphire temporarily loses her female heart and turns into a guy, she looks exactly the same as she did as a girl.
  • Easy Amnesia: Sapphire temporarily loses all her memories after she's brought back from the dead.
  • Even the Girls Want Her: Sapphire's crossdressing earns her a few crushes from oblivious girls, most notably Friebe, who even makes it to the altar with Sapphire before she learns the truth.
  • Everything's Better with Princesses: Sapphire is one.
  • Fantasy Kitchen Sink: A really weird example; apparently the Abrahamic God and the Greek gods exist in the same universe.
  • Feminist Fantasy:
    • Girls can't inherit the throne in this setting but due to a quirk in the Magical Underpinnings of Reality, Sapphire can.
    • In Twin Knights, Silverland's society has progressed enough that half of the kingdom is certain that Princess Violetta would be a better heir than Prince Daisy. Also, unlike Princess Knight, Violetta's aptitude for sword fighting and other traditionally unladylike behavior isn't attributed to her having a "boy's heart".
  • Fluffy Cloud Heaven: Where Tink is from, as are the unborn souls of children.
  • Forgot I Could Change the Rules: The king finally wants to change the law to allow Sapphire to succeed him, but is kidnapped to stop it.
  • Friend to All Living Things: Sapphire has many cute animal friends.
  • Gender Bender: Sapphire is female, but has both male and female "hearts". At one point she loses her female heart and turns into a man.
  • God Is Good: The aforementioned Abrahamic God, He gives Tink a chance to redeem himself and helps the heroes with Divine Intervention every once in a while. The Greek gods though... Not so much.
  • Good Hurts Evil: Crucifixes and other holy items cause great pain to demons.
  • Go Out with a Smile: Tiln the Dayfly in Twin Knights.
  • Heel–Face Turn: The warden of the prison tower Sapphire and her mother the queen are locked up in, Gammer, starts off as someone being more and more of a Jerkass, and eventually is pushed by Duralumin to eliminate both of them. During the struggle that follows however, he plummets down the stairs. When they tend to his wounds, essentially saving his life, he finally has a change of heart. Which he demonstrates by taking down an assassin, who was aiming for Gammer's former targets, with a knife throw, saving their lifes. When appearing later on, he is serving at the queens side.
  • Heir Club for Men: If this were not the case, then Sapphire's dual identity would not be necessary.
  • Heroic Sacrifice: Blood retrieves a potion to save Sapphire's life at the cost of his own life. Although it turns out he brought it back just a few moments too late.
    • Emerald intends to use a similar potion to save Violetta in Twin Knights, but the mother wolf saves her in turn by taking her place.
  • Hot Blooded Sideburns: Blood. Fitting for the pirate.
  • Inadequate Inheritor: Duke Duralumin promotes his mentally disabled son Plastic for the throne in Saphire's place, seeking to rule from behind the scenes.
  • Jerkass Gods: Venus, a goddess that becomes a villain out of jealousy.
  • Killed Off for Real: A lot of characters including the King (in the manga), Blood, Hecate, Eros, Madame Hell, and Duke Duralumin.
    • In Twin Knights: Papi the Deer, Slobb, Tiln the Dayfly, Begonia the Witch, the mother wolf, Prince Black, Duchess Dahlia and probably the Duke.
  • Knight of Cerebus: Mr. X makes things a lot more serious.
  • Lady Land: Black Pearl Island.
  • Laughing Mad: Friebe has a brief fit of hysterical laughter when she finds out that the boy she's about to marry is actually a girl.
  • Large Ham: Duke Duralumin, he even has a portrait of himself on which he's Milking the Giant Cow.
  • Long-Lost Relative: Captain Blood is the older brother of Prince Franz! Who'd have guessed?
  • Loves My Alter Ego: Prince Franz loves Sapphire's female disguise but hates Prince Sapphire due to a misunderstanding.
  • Magic Feather: Sapphire's boy heart in the 60's manga. The loss of it initially cripples her with fear, but she eventually learns to be just as brave without it.
  • Mask Power: During a period when Sapphire was supposed to be imprisoned, she snuck out a secret passage and donned a mask to be the Phantom Knight, who fought crime and oppression.
  • Murder, Inc.: The Assassin's Club.
  • The Musical: In 2006, idol group Morning Musume made a musical adaptation with an all-female cast, aided by the Takarazuka Revue.
  • Nice Hat: Sapphire often wears a magnificently large hat.
    • She dons it again in Twin Knights, when she and Violetta are imprisoned and she takes the opportunity to give her daughter swordfighting lessons. Violetta also has a similar one.
  • No Ontological Inertia: Madam Hell is reminded at one point her flesh-to-stone spell will be reversed if she dies. Sadly, this also applies to Hecate, as her mother literally made her using magic.
  • Obfuscating Insanity: Marquis Oolong pretends to be a nutcase so that if any of his underlings plot to overthrow him, they'll be less covert about it and he'll be able to root them out.
  • Peaceful in Death: The copse of mother wolf, in Twin Knights. is found with a peaceful smile on her face.
  • Peek-a-Bangs: Parpa and Friebe.
  • Pink Girl, Blue Boy: The hearts in heaven are colored this way.
  • Post-Climax Confrontation: In the manga remake, Venus takes over as Big Bad once Madame Hell and Duke Duralumin are out of the picture, and serves as the final obstacle of Sapphire's and Franz's love.
  • Punch-Clock Villain: Eros often disapproves of her mistress Venus's jealousy — motivated plots, and alternates between following orders because it's her job and secretly sabotaging Venus's plans while hoping that Venus won't find out.
  • Raised as the Opposite Gender: Princess Sapphire is known as Prince Sapphire because it was the only way to keep the kingdom out of the evil duke's hands.
    • A very interesting case happens in the sequel. To try to convince the kingdom that Prince Daisy had be safely found, Franz ordered Violetta to alternate between living as a girl and a boy. Unfortunately, the Big Bad does catch on that the "prince" is never around when the princess is.
  • Really 700 Years Old: Tink looks like a little kid, but since he's an angel it's safe to assume he's much older.
  • Rebellious Princess: Hecate is an odd case because she's technically the princess of Hell and she frequently rebels against her mother's plans and helps out the people that her mother is victimizing.
  • Recursive Crossdressing: Sapphire sometimes wore a blonde wig and a gown to impersonate a girl with a nebulous relationship to the royalty of Silverland so that she could woo Prince Franz.
  • Royals Who Actually Do Something: Oolong.
    • Plastic too, immediately after he swallows Sapphire's boy heart. In fact, the first thing he does is start to undo his father's evil deeds, then changes Silverland's outdated laws for the better and finally, paves the way to reinstall Sapphire as the righteous king. All what he wants in exchange is mercy for his father.
    • Sapphire, among other things, heads a kingdom-wide revolution to get the women equal rights.
    • Hecate, as seen above.
    • In Twin Knights, Princess Violetta sets out to find her long-lost twin brother to free her parents from prison and stop the usurpers taking over the kingdom.
  • Satan: Also known as Mephisto. He desired, among other things, to steal Sapphire's unique twin-hearted soul. In his earthly form, he possessed powerful magic and Nigh-Invulnerability, but was deathly afraid of angels, retreating whenever Tink blew his horn and occasionally turning him into a Butt-Monkey.
  • Smug Snake: Sir Nylon. Mrs. Hell (who appears in the third release published by Nakayoshi and replaces Satan's role) also qualifies.
  • Sweet Polly Oliver: Sapphire, interestingly with no name change necessary.
  • Taken for Granite: Sapphire's mom, and later on lots of people in the vicinity of the royal castle of Silverland.
  • Tomboy: Surprisingly, it is not Sapphire, whose princely finery still marks her out as a dandy, but Hecate who is dressed in stereotypical 1950s tomboy garb.
  • Took a Level in Badass: Plastic, after accidentally swallowing Sapphire's boy heart.
  • Trope Codifier: This series codified the "princely crossdressing heroine" trope that was later featured in Rose of Versailles and Revolutionary Girl Utena.
  • Voluntary Shapeshifting: Hecate can change into a variety of animals and creatures.
  • Waif-Fu: With the Hand Wave of Sapphire's "male heart", because it's not like a girl could be competent at martial arts.
  • Wholesome Crossdresser:
    • Sapphire pretends to be a boy out of political necessity.
    • Her daughter is forced to do the same in the sequel, to convince the kingdom that her brother, Prince Daisy, is still around. Sapphire, who doesn't fondly remember her days of living as a boy, is immensely sorry to subject her daughter to the same fate, though Violetta holds up pretty well.
  • Wimpification: Inverted with Duralumins 18-year-old son Plastic, who starts of as dimwitted brat, who pees himself in his first appearance after laughing to hard, causing him to bawl his eyes out. Duralumin wanted to make him king so that he could exert control through him. Thing is, after a couple of chapters, Plastic begins acting his age, defies his father, and installs rules that grants more rights to women, because he believes it to be just.