"As you wish. A single thrust...for my master."
―Jealous, to Tomomitsu Iruma[src]
Jealous color 5
Name Jealous
First Appearance Chapter 3
Species Karakuri Dôji
Sin Envy
Birthday 2989 AD

Rune Kodaira (current)

Iruma Tomomitsu (former)

Affiliation Evil
Team The Evil Dôji Branch

Jealous (ジェラス Jerasu), also known as Jealousy in VIZ's English translation, is a part of a newer generation of Karakuri Dôji, whose function is to fill in the gaps in “good” and “evil”, left by Ultimo and Vice respectively.

He is a member of “The Seven Deadly Sins” and as such, is one of the strongest seven “evil” dôji seated below Vice.


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Jealous' human form

Jealous is an ultramarine-themed dôji with pink eyes with small black pupils and a hint of sky blue in the iris. His hair is long, jet black, contrasting against the pale and smooth complexion of his skin. Six small transparent pink visors surround both of his eyes, with three present on each side, creating a symmetrical pattern. His visors, along with his eyes add up to eight, resembling a spider. It is noted that this is different from the other dôji's visors, while most dôji only have one pair of visors, Jealous has three pairs. He also has dark etchings under his eyes, giving him the appearance of someone who has insomnia. This is because of the toll Jealous takes when looking into people's hearts with his Noh Power.

The clothes that he wears are of the highest quality; featuring both a dark blue waist coat that is opened up in the front (the style in back tends to varies from a small cut out or totally expose, likely as art errors), with a small piece of fabric encircling his neck, and a lighter blue hakama, tied with a pink sash. A large piece of gray fabric hangs from the center of the sash, embellished with the image of a single large black spider. Outwardly, two large and deep blue gauntlets are on his arms, with ornate white designs and three pink crystals on each one, belies the fact that he isn't human. Unlike other Karakuri Dôji, these gloves feature only a single sharp extension, in place of the more commonly observed fingers.

Jealous' human form gives him an appearance of a sophisticated male secretary, wearing a dark suit with a tie, and a white, long sleeved collared shirt underneath. His dignified, classy attire is accompanied with male dress shoes, and has his hair is all pulled back except for his two usual frontal pieces and his bangs.

Robot CrestEdit

After preforming the Pledge Ritual with his master, Jealous' Robot Crest (Karakuri Mon) appears upon the bottom of the person's right forearm, taking the form of an ornate inward swirling pattern, reminiscent of a spider's web.


Jealous is a very dark and pensive individual, and unlike the other evil dôji, he has a complex personality. As his name suggests, he is the embodiment of envy, having characteristics that define the emotion. Due to this, he is almost persistently overwhelmed by feelings of insecurity and anxiety, often resulting in misfortune for who caused him to feel that way or to those around him. The influence of these qualities have made him incredibly cynical of those he encounters and sarcastic, even going as far as jokingly questioning Ultimo's goodness within the majority of his actions.

Jealous also has a noticeable tendency to say the word "Shit...!", (though it removed from the official English version) he's prone to this even when a situation does not warrant and particularly suit the use of such a word, though it could just be a habit for him to say it.

Jealous can be described as a trickster, knowing how to cunningly persuade others using the information gains from his Noh. Intelligent and tactical, he's shown to have more common sense than the other evil dôji and acts as the voice of reason, especially about fighting Roger Dunstan as the rest are overconfident about beating their practically omnipotent creator. Jealous seems to be the only evil dôji that's not afraid of Vice, and gets along quite well with him, but does find Vice's quick-to-kill impulses rather exasperating and agrees with Rune Kodaira that Vice's impulsive, violent demeanor makes him "dumb". He has amazing adaption skills and due to his Noh, and possess a large range of knowledge and perceived expectations about the people around him. Thus, he is a very collected and is, most of the time, ultimately stoic. It has been implied that he has trouble reading the actions of kindness, such as when Yamato saves Iruma's life from Jealous. Because he is reliant and proud of his deadly Noh, he becomes astonished, confused, and embarrassed whenever Yamato avoids his heart reading.

Jealous expressed the desire to kill his master Iruma (which he did twice in the storyline) and wanting to perform the Pledge Ritual with Yamato Agari, at first as a reaction to Yamato saying he shouldn't kill people so carelessly, and therefore asking Yamato to teach him why killing is wrong. Later, he believe that Yamato has an ability to read hearts similar to himself, to which he summarize resulted from Yamato's past life as a bandit (although this could only because Yamato, who time travel, was able to predict that Jealous was going to kill Iruma again because the way he was acting). He then saw Yamato as "a bandit of hearts", and that his "incompetence" makes appropriate to be his master.

Apart from his complexity, another thing that separates Jealous from the other evil dôji is that he once showed interest in good morals, once muttering to himself, "Do not kill. That is part of their law," referring to The Good Dôji Club.


Tomomitsu IrumaEdit


Jealous with Iruma

Iruma is an immoral man that was Jealous' master in the 12th century, and his initial master in the 21st century, whom Jealous sometimes called "Iruma-sensei".

At first they got along fine, but he was later killed by Jealous, after he became annoyed by Iruma's constant outrages and reliance upon him in both eras, and also told his master that his idea of evil was too "shallow". He also disliked the fact that Iruma deemed Ultimo better than Jealous in every way, which was another source of "envy" that motivated Jealousy to search for a new master.

Rune KodairaEdit

"Kodaira Rune... I can use him."

After killing Iruma and in desperate need of another in order to heal numerous severe injuries inflicted by Ultimo, Jealous went in search of the great source of envy within the vicinity. He discovered this in the form of Rune, who was identified to have much "envy swirling in the darkness of his heart" both within his past and future, which served as his motives in becoming Jealous' master.


Jealous and Rune

It seems that they are fated to become master and page, as even after Yamato turned back time to the day before the Hundred Machine Funeral, Jealous finds Rune once again in Chapter 18. According to Hyoe Tokorozawa, Roger Dunstan prepared many "back-up" masters in case one would die, suggesting that Dunstan had always planned for Rune to have Jealous.

While he is just using Rune to get closer to Yamato, he is shown to get along well with him more so than he did with Iruma, and Rune shares a similar personality to him. Jealous also is supportive of Rune's affections towards Yamato, and even tells him that Yamato belongs to Rune, telling him that he should feel no shame towards his feelings for Yamato, despite Rune being a boy in present day. Jealous acts more respectful and proper towards him than he did with Iruma, referring to Rune as "Master" or by his given name. It could also be because Rune hasn't been Jealous' master very long, since Jealous calls Iruma by "Master" when they first make the pledge, but they're rather polite towards each other.

Yamato AgariEdit

"That boy has something that even my heart reading cannot discern."
―Jealous, to Orgullo about Yamato[src]

Their relationship is rather complex because they are on opposite sides, and Jealous is often trying to kill or, at least, threatening to kill him. Ironically, Jealous also wants him as his master, due to the fact that he doesn't understand Yamato's kind heart, resulting in consistently being surprised by his actions as he able avoid his heart reading ability. When Jealous first kills Iruma in Chapter 5, Yamato is horrified and tells Jealous that he can't kill people just because they annoy him, he surprisingly asks Yamato to be his master so that he could teach him why he can't kill people. This offer seems to have carried on, even after Yamato resets time back to the day before the One Hundred Machine Funeral.

In Chapter 18, after Jealous once again kills Iruma, he tells Yamato that he wants him to become his master because of Yamato's extreme "incompetence" and believes that he can read his heart. In Chapter 20, he tells Orgullo that Yamato has something that his "heart reading" can't even read and when Orgullo asked what was it, Jealous said it's something "warm and peaceful" deep inside him. It may be these qualities in Yamato that make Jealous want him to become his master, and it's one of the reasons why Jealous, once again, chooses Rune as his master so that he could get closer to Yamato. However, Jealous isn't above hurting Yamato when his plans to make him his master go astray, rather having Yamato die than letting him revive Ultimo and continue to be Ultimo's master.

However, it is not certain whether or not Jealous is aware that he might turn "good" if Yamato becomes his master; in regards to his mission as an evil dôji to turn the good dôji to their side win to the One Hundred Machine Funeral might be hindered.


As Jealous is a robot, he has displayed far greater physical strength, resilience and agility than those possessed by a normal human. Being of a later generation of Ultimo and Vice, it appears that at full strength, Jealous' flight mechanism can potentially reach even greater speeds.

Heart AnalysisEdit

Jealous' Noh ability allows him to read the true intentions of people's hearts, within the surrounding area, meaning he can predict and react to an opponent's future movements before they can conduct them. He can also manipulate this technique to identify and locate a suitable master. This ability works especially well for Jealous and his master to reach the Level 2 state of their ICON as it is based on understanding. Unfortunately, this Noh Power takes a big toll on Jealous where the dôji suffers from mental strains, making bags appear under his eyes.

However, Jealous's heart reading isn't prefect and there are ways to prevents him reading his opponent' hearts, like anti-Noh devices or the disruption abilities of the other dôjis like Service. His heart reading's accurateness also seems to depends on the person's heart know or believe, such in the case of Makoto Sayama, who uses Regla's memory manipulation Noh to tampered with her own mind to hide her secret of being Roger Dunstan's daughter.

Karakuri HengeEdit

  • Spider Circle Blade (Kumo Kirimaru): This transformation involves the conversion and combination of both arms, to produce a curved blade, that is many times larger than himself.
  • Artificial Webbing: Similar to a spider; Jealous is capable of producing a significant amount of 'strands', with a high tensile strength, that he can subsequently constrict at will.


Tsuchi Kumo

Earth Spider (Tsuchi Kumo)

Ground SpiderEdit

Ground Spider (Tsuchi Kumo) was Jealous's respective ICON transformation with Iruma, which allowed him to fully integrate with Jealous' form through manipulation of the Robot Crest. Jealous' most powerful ability with his master; that initiates a full body transformation, changing his form to resemble that of a giant mechanical spider, many times larger than an average human. When in this conjoined configuration, Iruma can not only choose to expose the entirety of his upper torso from Jealous' head section, but also convert his abdominal structure into various powerful thrusters. This form was based on the Tsuchigumo yokai that was famous in the Heian-era when Jealous did a background check on the original Iruma.

  • Spiderweb Catalpa Bow String (Kumoito Azusa no Yumiito): First used in Chapter 15; this technique which is utilized within Jealous' Tsuchi Kumo form, unleashes multiple threads from his abdomen that subsequently wrap around the targeted enemies, immobilizing them completely. As stated by Ultimo, it seems that these threads are capable of constricting by themselves, becoming even tighter in response to a particular victim's struggling.
  • Great Spider Slayer (Daikumo Kirimaru): This particular transformation involves the conversion and combination of two of the spider's forelegs into an elongated and wicked blade, with the sole purpose of its design being to better suit plunging into an unsuspecting or immobilized victim.

Demon SpiderEdit

Demon Spider

Demon Spider (Oni Kumo)

Demon Spider (Oni Kumo) is a full body ICON transformation which simultaneously alters Jealous' form, while integrating Rune into this new shape, using the Robot Crest to initiate the technique by previously establishing direct contact with Jealous. This new state assumes the form of a gigantic humanoid robot, standing at over three stories tall, that is entirely composed of artificial appearing constructs, that are reminiscent of Jealous' previous gloves.

His new facial features are composed of a prominent forehead and multiple angular protrusions, with the largest two acting like a brow, with four shapes upon each acting as eyes. An enormous sash hangs from his waist, devoid of any embellishments. Both his upper legs, lower arms and forehead feature large ornate white designs. There are also multiple appearances of a symbol consisting of three tomoe, most notably on either shoulder and center of the torso. This form had changed from the Tsuchigumo ICON due to Rune's influence and took a form more similar to the Jorogumo yokai.

  • Electric Octospear (Happi Endenso): A vicious transformation and attack, conducted while in Demon Spider form, that creates eight long, narrow and sharp limb-like extensions originating from Jealous' back. These appendages rapidly protrude outwards with such velocity, that they violently pierce the intended target, even damaging Ultimo in his God Ultimo form.
  • Giant Spider Slayer (Daikumo Kirimaru): This particular transformation involves the conversion and combination of both arms, to suddenly produce a large and hardened sword. The speed of the extension of this blade, occurs with such ferocity that it is enough to impale the majority of victims with relative ease, while giving little prior indication to the techniques true nature.
  • Catalpa Bow String: Changes the left arm into a gun that shoots webbing that restricts and opponents movements.

Rune Demon SpiderEdit

Rune Demon Spider is a full body Level 2 ICON transformation that alters Jealous's form once the master and dôji's will reach a unification of 95% or higher, unlocking his most powerful form. After Jealous and Rune gain the ICON 2 state, their ICON changes into a much more humanoid state. It sports a head with an over-sized visor with multiple eyes, but is much shorter than the regular Demon Spider. With different shaped armor, the hips appears wider and the feet are made of three prongs instead of one. Like its basic form, an enormous sash hangs from his waist, devoid of any embellishments. From the torso and back of the neck, two large, shoulder-shaped protrusions stick out from the rest of the body, with a eye-like symbol on each and four sharp, thin protrusions that sticks out from the edge. Jealous also is equipped with a giant, single-edge knife as weapon. When combined with his allies, Rune Demon Jealous seems to forms the shoulder armor and legs for Villainy Demon Vice Back From The Dark.


  • (To Rune and Iruma) "I can see your past and future. And the darkness, the swirling envy in your heart."
  • "Ultimate and perfect cannot co-exist."
  • (To Iruma) "I'm done with you. Your idea of evil is too shallow."
  • "Agari Yamato...will you become my master...and teach me why?"
  • (To Orgullo about Akira) "Such dangerous pride..."
  • (About Yamato) "I don't know...but it's something warm and peaceful deep within him."
  • "Complicated...something I can't see...I don't understand. Humans are too complex."


  • Jealous' appearance and attacks are designed to resemble the features of a Spider. In regards to his appearance; the number of extensions surrounding his eyes, when also including his eyes, are equal to the number of eyes of numerous particular species of spiders. His hair and gauntlets resemble spider legs both in their design and number.
  • The Japanese word for "Envious" is "Shitto", which is also how the Japanese would say "Shit" if they said it in Engrish, explaining the reason why Jealous always says "Shit" when speaking.
  • Jealous' demon spider form slightly resembles the Spirit of Rain from Shaman King.

e v Karakuri Dôji
The Good Dôji Club: Ultimo · Regla · Service · Pardonner · Sophia · Goge · Slow
The Evil Dôji Branch: Vice · Orgullo · Avaro · Rage · Désir · Paresse · Jealous · Edile
Unspecified/Neutral Dôji: Milieu

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