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Literature / Nano Machine

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''Master, I am not Mashin (Demon God). I am Nano Machine.’’

Nano Machine (alternative title: Nano Mashinnote ) is a Korean, sci-fi action-fantasy webnovel written by Hanjung Wolya.

The story follows an illegitimate child of Demonic Cult Lord, Chun Yeowun, who gets an unexpected visit from his descendant from the future who inserts nano machines into his body. As a prince born from a peasant mother, Chun Yeowun is forbidden to learn martial arts by the 6 highest clans of Demonic Cult, hoping the child would easily lose in the fight to determine the successor for the throne. However, with Nano Machine’s help, Chun Yeowun’s chance to defeat his step-siblings, and claim his right to the throne, is no longer impossible.

The Manhwa/Webtoon adaptation is currently published on Naver, being written by Hyeon Jeolmu and illustrated by Geumgang Bulgoe.


This page is currently under construction.

WARNING! May contain unmarked spoilers for the Manhwa readers. Nano Machine webnovel includes examples of:

  • A Father to His Men: Yeowun is really looked up to by his subordinates. On the other hand, he absolutely cares for them, and helps as much as he can to make them stronger.
  • A God I Am Not: Nano Machine corrected Yeowun mistaking it as a Mashin (Demon God), instead of ‘Machine’.
  • Above Good and Evil: Other than Demonic Cult, there are also two forces of martial arts clans. Force of Justice who value justice and honor, and Force of Evil who are violent and cruel. Demonic Cult take different route from the two and only seek strength.
  • The Ace: With Nano's helps, Yeowun almost always excels in everything he does.
  • Acquired Poison Immunity: Nano is able to recognize and neutralize any kind of poison that entered Yeowun's body.
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  • Action Dad: Wang Jing, who killed three thousands pirates singehandedly after losing his wife, is father of Wang Bun and Yogun. He along with Lord Chun Yujong are both two of the strongest five warriors of Yulin.
  • Action Mom: Lady Mu, the mother of Chun Muyeon, the first prince, is a super master level warrior.
  • Adaptation Dye-Job: In the novel, Chun Yeowun is described as having long black hair. In the manhwa, he is depicted as a brunet.
  • Affectionate Nickname: Yeowun gave his nano machine “Nano” as its nickname.
  • All of the Other Reindeer: Yeowun was shunned by the other princes because his mother was not from the 6 clans.
  • An Arm and a Leg: Yeowun cut off at least one arm of all his step siblings. Except Chun Jongsum who had all his bones broken instead.
  • Arranged Marriage: The Lords of Demonic Cult must marry 6 women chosen from 6 highest-ranked clans (Wise, Sword, Loyal, Poison, Blade, and Lust clan). The women give birth to new heirs and raise them within their own clans until they are old enough to fight for the succession of the throne.
  • Assassination Attempt: Yeowun had to face multiple murder attempts ever since he was born.
  • Assassin Outclassin': The prolog has Yeowun tricking and killing one of 5 assassins targeting him, despite not possessing any martial arts skills.
  • The Atoner: Hu Bong used to be one of the third prince, Chun Mukeum's errand boys. He was dumped after failing to injure Yeowun during his stay in health room. After seeing by himself how scary Yeowun can be, Hu Bong turned to the younger prince, and became his most loyal servant.
  • Authority Equals Asskicking: Demonic Cult put emphasis on strength. So it is obvious that the one who reigns at top is expected to be the strongest out of them all.
  • Avenging the Villain: After Yeowun incapacitated their Prince, Jongsum, and killed their Elder, Baek Oh, Poison Clan's hatred toward him peaked.
  • Awesomeness by Analysis: Yeowun, even without Nano, is actually a capable thinker himself. His strong instinct always led him to find interesting clues that may be useful and asked Nano to do further analysis.
  • Awkward Kiss: Yeowun and Mun Ku's first night is initiated by this. Understandable since both of them were really new to romantic love.
  • Badass in Distress: Guard Jang, Bakgi, and Sama Chak were captured by Wise Clan to get Yeowun coming into their trap. It didn't go well, as Yeowun countered their plans with the same, but better tactics.
  • Badass Teacher: Submeng for Yeowun. Also, Yeowun himself when he taught his followers in Demonic Academy in preparation for the third test.
  • Beat Them at Their Own Game: Yeowun's favorite way to overthrow his enemies, as he never attacked anyone as long as they never intended to hurt him or his people.
  • Big Brother Bully: All Yeowun half siblings, the 6 princes of the 6 clans, despise him for being a peasant's son.
  • Bitch in Sheep's Clothing: Chun Yuchan, the fifth prince, tried to trick Yeowun to give up the succession war by befriending and inviting him to join his Blade clan. He even went as far as calling him 'brother'. Yeowun, though, wasn't amused at all.
  • The Big Guy: Ko Wanghur and Bakgi. Also, Hou Sangwha as a female example. Interestingly, Ko Wanghur also acts as The Strategist among Yeowun's members.
  • Blood from the Mouth: Usually happens when someone gets internal injuries. Yeowun excessively suffers this during the first test for deliberately hurting his own internal organs.
  • Bodyguard Crush: Mun Ku initially pledged her loyalty to Yeowun, as the Lord candidate she chose to support and protect. She soon fell in love with Yeuwon's unwavering determination when he defeated the Elder of Poison clan.
  • Bodyguarding a Badass: Since their academy times, Yeowun's members always insisted to have him guarded by at least one of them, despite knowing that he's much stronger than them. Yeowun didn't hate the idea, but he sometimes wandered alone, and forgot to let them know his whereabouts, making them worried sick.
  • Broken Ace: Lord Chun Yujong, Yeowun's father.
  • Bunny-Ears Lawyer: Submeng seems to be just a sloppy drunkard. But he's a top class warrior, as the Right Guardian of the Demonic Cult.
  • Came Back Strong: After being prisoned for five days, Yeowun defeated Hou Jinchang, the most senior instructor at acadamy, thus giving him right to be a team leader for the third test.
  • Cycle of Revenge: Yeowun's mother was poisoned by the 6 clans when Yeowun was 10. Later, Yeowun cut off limbs of their princes, killed three of their Elders, and wiped off two of the clans. Now, as the once helpless child was unthinkably getting strong, the 6 clans decided to join hands to take him down.
  • Dangerous Forbidden Technique: Blood Reversion Art.
  • Death by Childbirth: Mun Ku's mother.
  • Defeat Means Friendship: Yeowun got some of his loyal followers through this.
  • Determinator: In the first test of Demonic Academy, Yeowun who still didn't possess any internal power, was thought by Lee Hameng to endure Hang Soyu's strong music wave out of sheer will, while in reality, it was just Nano blocking his sense of hearing. But, considering what he had been through before entering the academy, he still counts as one, actually.
  • Driven by Envy: Yeowun and his mother, Lady Hwa, were envied by wives of the six clan, as the Lord turned all his attention and love towards them. This resulted in Lady Hwa's poisoning and Yeowun's multiple murder attempts during his childhood.
  • Driven to Suicide: Ha Ilmeng, after it was known by the Academy that he had used a Dangerous Forbidden Technique , Blood Reversion Art, which was illegal within the cult.
  • Evil Matriarch: Lady Mu, the matriarch of Wise clan, was never hesitant to use violence to get what she wanted.
  • Eyepatch of Power: Yang Danwa, losing one of his eyes in a fight against Blade Sword Master.
  • Fiery Redhead: Lee Hameng, the Left Guardian, is known for his red hair and fiery personality.
  • Friendless Background: Yeowun lived a very lonely childhood. After his mother died when he was 10, he lived with and was raised only by his guard, Jang Gageng. The other clans did not want to get attached to The Un-Favorite prince, as it would make them enemies of the six clans.
  • Generation Xerox: Like Yeowun, Chun Yujong was not really from the six clans. His mother was adopted into Sword Clan, because the clan’s daughter was thought to be infertile, until the daughter eventually bore a son, Chun Yujing. Yujong was told by their clan’s elders to make way for Yujing to become Lord, despite Yujong’s talent was actually far exceeded Yujing, the fact that later turned Yujing to hate Yujong and even tried to kill him. Yujong defended himself and cut Yujing's right arm, just like Yeowun did to most of his half-siblings.
  • Grumpy Old Man: Baek Oh, the Elder of Poison clan.
  • Healing Hands: With Nano's help, Yeowun managed to fix blockage in Mun Yu's blood circulation, curing his inability to speak normally.
  • Hidden Elf Village: Demonic Cult's land is located in a place forbidden for non-cultists, called Ten Thousand Mountain, filled with tons of mountain peaks that spread vastly over the land.
  • The Hunter Becomesthe Hunted: What Yeowun does to the six clans who have been attempting to kill him ever since he was born. Who's Laughing Now?
  • I Owe You My Life: During the third test, Yeowun noticed that Bakgi had the similar red dots on his neck, just like his mother did before she died of poisoning. He insisted Bakgi to have himself examined by the academy's doctor. Thanks to Yeowun realizing it before the poison spreaded, Bakgi made it alive.
  • Innocently Insensitive: Nano remarked Yeowun about his increasing heart rate when he kissed Mun Ku. Yeowun was of course annoyed and told it to go mute.
  • Insecure Love Interest: Being hidden under a male face, Mun Ku thought that there was no way Yeowun would like her as a girl. Of course, she was wrong.
  • Intimate Healing: A girl named Yogun, suffered a strange disease of having an infinite amount of Yin Qi. To neutralize it, she had to replenish her Yang Qi (which is usually possessed by men) through having sex. And Yeowun was the only man strong enough to counter the girl's worsened disease. As he already established his relationship with Mun Ku, he himself pretty much didn't consent to this.
  • Jack Bauer Interrogation Technique: Some characters tend to do this, including Yeowun.
  • Ki Manipulation: Top class warriors are capable to shape their Qi into blades or swords.
  • Kick Chick: Bakgi is a male example. Coming from the high-ranked Pure Kick clan, he specialized in kicking skills.
  • Knight Templar: Blue Sky Brotherhood want to create the most powerful warriors to make an ideal world that only walks on the path of justice.
  • Lady of War: Many high ranked girls and women in Demonic Cult master martial arts to some extent.
  • Lineage Comes from the Father: Even though Yeowun, his half-siblings, and his father got their Chun blood from their fathers, the first Demonic Lord who began the ties with the six clans was actually a female Lord, Chun Muha.
  • Living Emotional Crutch: Lady Hwa's death really shatters Lord Yujong.
  • Manipulative Bastard: Lady Mu was feared for her cunning and merciless nature. Yeowun himself also can count as one, according to his enemies.
  • Master of Disguise: No one has seen Elder Huan Yi's real face except the Lord. He also the one who helped Mun Ku with her disguising as boy.
  • Morality Pet: Yeowun and Lady Hwa is this to Lord Yujong.
  • Mr. Exposition: Marakim became this when he told Yeowun about his father's past.
  • Neural Implanting: Nano is capable to scan any informations from books, or even movements from martial arts users, and transfer them into Yeowun’s brain.
  • Non-Action Guy: Baek Jongmeng, the academy doctor, admitted to Yeowun that he never learned martial arts. Though, because he was apprentice of the famous Demon Doctor, Baek Jongwu, he was thought by Mukeum and Jahyun to be a capable warrior.
  • Non-Human Sidekick: As a machine residing Yeowun's body, Nano is always available whenever Yeowun needs it.
  • Official Couple: Yeowun and Munku.
  • Older than They Look: Yin Moha. Going through body reconstruction renewed her appearance to what she looked when she was young.
  • One-Man Army: Air Sword technique, which can make the users wield multiple sword at the same time without touching them.
  • One-Winged Angel: Blood Reversion Art turns the users into this.
  • Out-of-Clothes Experience: Yin Moha experiences this when reaching the end stage of superior level. Yeuwon also experienced it when reaching the end stage of supreme level.
  • The Perfect Crime: Yeowun killed 4 cadets from 6 clans who ambushed him. Because it's forbidden to kill the other cadets outside official battles, he made it as if the cadets were killed while fighting each other. Moreover, he left traces on two of the cadets the martial arts used to kill them, which are exclusively mastered by the prince and elder of Wise clan. Thus making Chun Muyeon (who was responsible for the scheme involving those 4 cadets ambushing Yeowun) falsely accused as the prime suspect of the crime.
  • Power Levels:

    • The rank system within Demonic Cult:
      • Low-ranked Warrior (gained by passing Demonic Academy's first test)
      • Middle-ranked Warrior (gained by passing the second test)
      • High-ranked Warrior (gained by passing the third test)
      • Master Levelnote , which is required to be able to take the fourth test. Those who passed will be given title "Squad Leader", or just "Leader" in front of their names.
      • Super Master Level note , which is required to take the fifth test. Those who passed will be given title "Clan Leader", or "Master" in front of their names.
      • Superior Master Lever note , which is required to take the optional sixth test, which is fight and win against an elder. Those who passed the test will be given title "Elder".
      • Supreme Master Level.note 
      • Divine Master Level.note 
      • Heavenly Master Level.note 
      • Void Master Level.note 
      • Hopeful Master Level.note 

    • There are also sub-tiers/stages in Master-Heavenly levels, which are: Entry stage, Established stage, and End stage.
  • Raven Hair, Ivory Skin: In novel, Chun Yeowun is described as having pale white skin and long black hair that reaches his back.
  • Revenge Before Reason: Yeowun furiously attacked Jongsum despite knowing killing fellow cadets outside official battles may get him expelled from academy.
  • Royal Harem: The Lords of Demonic Cult must marry 6 women from the six highest ranked clans to give birth of new heirs. Yeowun and his father, Yujong, don't like this idea.
  • Sex Equals Love: A one-sided and downplayed example with Yogun, the girl whose disease was lifted by Yeowun through Intimate Healing. Even though she pledged her loyalty to Yeowun as his servant instead of his lover, she herself wasn't sure she would never fall for the handsome, young Lord.
  • Shipper on Deck: Hu Bong for Yeowun and Mun Ku.
  • Sibling Rivalry: Lords' children would never get along with each other due to the succession war they must go through.
  • The Smart Guy: Ko Wanghur has this role despite his huge and muscular appearance.
  • Stockholm Syndrome: Gam Rosu’s granddaughter was captured by the pirates of Yellow River, but ended up fall in love with one of them and even had baby.
  • Story Arc:
    • Academy Arc: Follows the story of Yeowun enrolling into Demonic Cult Academy
    • Elders' Approvals Arc: Yeowun and some of his loyal followers left Demonic Academy before graduation to seek for Elders' approvals of Yeowun becoming the cult's Prince Crown
    • Anonymous Arc: Yeowun encounters a mysterious masked warrior, unveiling his father's as well as Demonic Cult's hidden past.
    • Sword Creek Arc: Yeowun, Yang Danwa, Hu Bong, and Mun Ku out of Demonic Cult territory to investigate disappearance of Hou Sanwha and Bakgi, as well as to find the Godly Doctor, Gam Rosu, who was believed to be the only one able to heal Yeowun's father.
    • Imperial Palace Arc: Following his finding about Blade God Six Martial clan extremists, Yeowun infiltrates into the Imperial Palace to find more of their spies within the government.
  • Sugar-and-Ice Personality: Yeowun acted completely different when he treated his enemies, and when he was around the people he cared about. The best example of this is when he smiled warmly and acted with full respect to the 8th elder Mun Yun, right after coldly cutting off Chun Mukeum's arm.
  • Survivor Guilt: Hu Bong, Mun Ku, and Yang Danwa blame themselves for Yeowun's 'death', especially since they were saved by him instead of protecting him.
  • Sweet Polly Oliver: Mun Ku entered Demonic Academy as a boy, to protect her clan's secret about their sickly male heir, who is also Mun Ku's twin younger brother.
  • Technician Versus Performer: Bakgi vs Ko Wanghur when they debated about how to teach their members Seven Demon Sword.
  • True Companions: Yeowun puts integrity above everything else, including strength. He would refuse to take someone, even from high ranked clans as his members, if they can't proof their loyalty to him.
  • Walking Spoiler: Knowing Lord Chun Yujong's past would unravel lots of Demonic Cult secrets.
  • Undying Loyalty: Yeowun’s subordinates; especially Hu Bong, Bakgi, Mun Ku and Ko Wanghur; are very concerned of his safety, and always insist to follow him whenever he is to face someone who are non-allies. Even if they must barge into a high-ranked Elder’s mansion.
  • Warrior Prince: The princes of Demonic Cult are capable warriors on their own.
  • Wicked Stepmother: Chun Yeowun has 6 of them.
  • The Worf Effect: Most of Yeowun's enemies experienced this, after he Took a Level in Badass.
  • World's Most Beautiful Woman: Jagal Sohi from Yulin clan of Force of Justice. Mun Ku without her disguise is also often regarded as one.
  • Youngest Child Wins: Yeowun is an underdog seventh prince who won the succession war to become the 24th Demonic Cult Lord. Though this was averted with Yeowun's father, the previous Lord who was the older of Sword Clan brothers.