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Lunarians / 月人
Moon people anime3
Leader Aechmea

The Lunarians (月人, tsukijin, Literally meaning "Moon People"), sometimes translated as Moon People, are a species that inhabits the Moon. They are the main antagonists of the series and constantly attack the Lustrous in order to collect their gemstone bodies to be used as weapons and decorations. They have also defeated and captured the Admirabilis to use them as cattle. Their leader is Prince Yama.


The Lunarians are humanoid in appearance, and their body emits light, their body is stated to be colorful, switching between all 7 colors of the rainbow, when they come to the Land their clothing has a Buddhist motif, with flowing fabric, and pearls as adornments, they keep their hair in a high bun, and have blank eyes. On the moon, they look much more like what a regular human would look like, several of them wear normal clothes, their eyes look normal, and they all have rabbit ears.

In some colored illustrations, some lunarians on the moon are depicted with other pastel colors as oppose to their rainbow effect surface stated on Life and Culture, its unknown wheter they are supposed to look like that, or have any control over that aspect of their bodies.

In the various animated versions, they are portrayed with white skin and orange or pink shades on their clothing and accessories.


When they attack the Gems, they appear far in the sky from a black portal-like apparition called a "sunspot". According to Euclase, sunspots appear approximately once every three days for any season except winter. They only appear during sunny days, never at night or on rainy days, and only rarely during the winter as the sky is often cloudy.

From this sunspot, a cloud-like platform comes forth, carrying the Lunarians in a parade with one large Lunarian at the center surrounded by many normal-sized Lunarians. The appearance of the large central Lunarian varies each time but always has fancier clothing and headgear. They always carry a large bowl meant to hold captured Gems, and have a shining halo around their head. The normal-sized Lunarians act as the entourage for this central figure, playing instruments, waving poles and banners, or drawing their weapons. They are the ones who battle with the Gems and collect them if victorious. They have only been shown using ranged weapons such as bows and javelins. If the center figure is destroyed, the cloud and all the other Lunarians will melt and disperse. Their bodies and weapon are solid, but when destroyed will disperse without any remains. The Gems usually disperse them by cutting them with their swords, or even sharp parts of their own bodies that have been broken.

The Gems usually cut the central figure horizontally, splitting the top from the bottom. When sliced like this, the inside of the center figure can be seen. It is often hollow with multiple petal-shaped holes, much like the inside of a lotus root. Normally, the Lunarians will disappear once the center figure is cut like this, but more powerful Lunarians have appeared as well. Instead of dispersing when the central figure is cut, these new types will release another weapon from its holes. These weapons are forged from captured Gems and can range from anything like gem-tipped arrows, gem-tipped crushing devices, and even explosive gem bombs. Once the special weapon is defeated, or the lower half of the central figure destroyed, the Lunarians will disappear.

The most common way the Gems defeat the Lunarians is by cutting them down with their swords. Other techniques include deflecting their own arrows or javelins back at them. Kongō is able to disperse them by using his hand to flick his own small shards at them, causing them to explode. Cinnabar also has a different method of fighting them by covering them with a torrent of the poison produced by their body.



A Lunarian unravels their hair upon returning to the Moon.

On the Land, the Lunarians do not seem to communicate by talking, though they do behave in an organized fashion, attacking and moving in unison almost like a hivemind. Despite that, Ventricosus was shown to be able to communicate with them when they were negotiating. The Gems are not known to have tried to communicate with them in the past, although Phosphophyllite tried once by capturing a Lunarian during an attack and asking it if it understood them. The Lunarian only made a few unclear sounds before it was destroyed by the Amethyst twins (In the anime, it was destroyed by Cinnabar).

When on the Moon, they drop their emotionless facade, talking and acting in a human fashion like the Lustrous or Admirabilis. It is revealed that they do not talk or breathe on the Land as the thick air is reminiscent of unpleasant things from their past. Their appearance also changes - they have visible pupils and irises, wear their hair down, and also have parts resembling small rabbit ears on the top of their heads.

Like the Lustrous, the Lunarians are immortal and ageless. They are able to recover after being dispersed, though they do so at a much faster rate on the Moon, being able to do so in mere seconds. They seem to be even more resilient than the Lustrous as they do not require physical reassembling to regenerate. They have been shown eating food and drinking, though it is just for show and pleasure, as they do not need sustenance.


As told by Ventricosus[]

When Phosphophyllite journeyed into the sea with Ventricosus, ruler of the Admirabilis, she told the Gem about a legend their people had about themselves. Their legend said once there lived animals called humans who lived and preserved the land until it was broken five times. When it broke the sixth time, they entered the seas. It's said that there, they split into three parts; the spirit, flesh, and bone. In other words, humans evolved into three different species and lived on. The Admirabilis are said to be the Flesh, inheriting the ability to reproduce, expand, and pass down knowledge; The Bone are said to have made a contract with other living creatures, gained the ability to live through ages, and returned to the land; and The Soul are said to be wandering, attempting to regain its flesh and bone. The last one is believed to be the Lunarians.

As told by Yama[]

After Phosphophyllite infiltrates the Moon, they meet Yama, known commonly by nickname Aechmea, the Prince of the Lunarians, who disputes Ventricosus' idea that they want to become human again. He explains that when humans die, the flesh and bones return to the earth, but the existence of a soul was discovered towards the end of human civilization. This soul is meant to leave and pass on to the next world, a place of serene nothingness. However, only purified souls can do so, and only through the prayer of living humans can souls be purified. Yama explains that they (the Lunarians) are a conglomeration of unpurified human souls who have become stuck on the Moon, forced to continue existing and experiencing the suffering of life.

Kongō was a prayer machine created by humans and intended to pray for these souls after all humans had vanished, but for an unknown reason this machine broke down after some time and stopped doing its job. Yama explains that they know Kongō cherishes the Gems so the reason for abducting them is to provoke a reaction, "restarting" the machine so that he will once more pray for their souls.


The Lunarians are the remnants of unpurified human souls trapped on the Moon and have played an antagonistic role throughout the story. Prince Yama describes themselves as "ghosts of garbage", souls who did not even deserve prayer when humans still lived. He says that despite the cheery appearance of his people, they are extremely tired of the eternal life they have with the restless nature of humans. It is perhaps due to this condition that they have become desperate to seek relief, even going so far as to use other species inhumanely.


The Lunarians travel to the Land to attack and kidnap the Gems, though there have been times when they went to Kongō directly. They often behave differently towards him, surrounding him with glee, bowing down and reaching out to him as if to plead or beg. Kongō in turn acts quite indifferent to them, dispersing them as promptly as he can and occasionally calling them poor or pitiful things. He has from time to time referred to humans in a negative manner, perhaps implying that he views the Lunarians, who are the souls of humans, in the same way.

Yama explains that for tens of thousands of years, they have exhausted all methods of getting Kongō to cooperate with them, including pleading, arguing, persuading, demanding, and showing obedience. Their current medium-term plan is to display themselves in the same clothing worn by the humans who Kongō was made to obey. Their long-term plan is to grind up the abducted Gems into powder until the Moon shines with their shards, hoping the sight of it will finally persuade Kongō to act.

The Lustrous[]

The Lunarians have been attacking and kidnapping the Gems for thousands of years. They seem to treat the Gems without concern as mere objects to be used for their own purposes, whether using them as decorations or grinding them into dust to be spread over the Moon. When Phos was on the Moon, they encountered several Lunarians who wanted to break them for the fun of it.

They have experimented with the Gems in the past. At first, they tried to get the cooperation of the Gems they abducted, but the Gems would destroy themselves or behave abnormally. They have also created synthetic Gems, but these could not move or act without genuine inclusions. They then tried to mix the real Gems with the synthetic ones and release them back. But no results were shown so these Gems were recaptured again. Their current long-term plan is to cover the Moon until it shines with their shards, implying that they intend to kidnap many, many more Gems and grind them to dust to do so.

Phosphophyllite was the first Gem to successfully infiltrate the Moon as well as agree to cooperate with the Lunarians. Though Yama places a lot of hope in Phos, there is still a level of distrust between the two. Yama places a Pearl eye in Phos in order to track everything they do, while Phos cannot be sure how much of what Yama tells them is true.

Following afterlife of Battle of The Land, all of the Lustrous (excluding Phosphophyllite and Lapis Lazuli) and the Admirabilis transformed to become Lunarians and live on The Moon in the period of waiting ten thousand years.

The Admirabilis[]

The Lunarians have also kidnapped the Admirabilis for their beautiful shells and to use them as cattle. Ventricosus stated that the Lunarians captured them all, stole everything in the ocean, and destroyed their homeland. The Admirabilis become their hostage where they were fed with sweet water and moon sand which made them bigger and lose their minds.

Ventricosus believes that the Lunarians are illogical beings who love war and are never satisfied with what they have, and since they descended from human souls, this indicates what humans may have been like. Although initially willing to lure and sacrifice Phosphophyllite in order to free her brother, she changed her mind as she felt that would make her no better than the Lunarians. A hundred years later, her successor Variegatus stated that she wanted to go to the Moon to free the rest of her people, though it is unclear how she intends to do so, whether by force or diplomacy.

Yama reveals to Phosphophyllite that the Admirabilis requested to be brought to the Moon due to their depleting food sources, hoping that the Moon would have more nutrients for them. They made sacrifices to the Moon people, generally of the criminals of the Admirabilis, before ultimately being taken to the Moon.

The Moon[]

For more details, see the full article on The Moon.

The Moon is where the Lunarians live, containing not only their homes, but also various factories and facilities. Presumably it is the planet's original moon as there are known to be six other moons as well that are presumed to remain inhabitable, as Aechmea asks to have a special shelter for Cairngorm built as it would be in complete solitude. The Lunarians live in a large town-like structure made of special metals and mineral oils that rise from the depths of the Moon. The oils melt at night and solidify again by day so the structure constantly changes. Among the facilities on the Moon are factories for producing synthetic gems, manufacturing weapons, and even a synthetic human factory. The buildings and structures resemble hopper crystals, often compared to artificially grown bismuth structures. This could be in contrast to the Gems' earth landscape of more organic shapes, with the Moon have sharp often artificial looking structures.

The rest of the Moon is bare and covered in gray dust or sand mixed with the ground shards of abducted Gems. Large Admirabilis can be seen grazing out here.

Special Sunspots and Lunarians[]

Moon people

The average appearance of a Lunarian party featuring many sundries around a central Moon Person with a halo.

The Gems, or more specifically Alexandrite, categorize the Lunarians as "new" or "old" types. The old types are the usual sunspots with Lunarians that disappear once the central figure is cut down, while the new type refers to all other sunspots whose central figure holds weapons or have other unique phenomena. The normal human-sized Lunarians are called "sundry"("rabble" in the official translation and "disparates" by Sentai), while the large central Lunarian is called a "sheen". The approximate size of a Lunarians force can be determined by the number of spokes a sunspot has when it appears. The iridescent clouds Lunarians themselves appear on are called vessels.

Single Sunspots[]

The Old Type[]

The normal Lunarian attack comes with one larger central figure and a few dozen sundries, usually with bows and arrows or other ranged weapons. This type of sunspots is fairly ordinary and easy to dispatch. Four holes can be seen in the central figure when it is cut horizontally.

The New Type[]

The new type may look the same as the old one, but not always. Sometimes they have different formations, but will often always have the large sheen in the center of the vessel. The main differences are: their arrival type and, if the bigger figure sliced, the vessel will not dissolve and the sheen releases a special weapon from its body. These weapons are partially made from pieces of captured gems.

The Gems await the arrival of the new types, as they often drop shards of gems previously captured by the Lunarians.

  1. Chapter 1. When sliced horizontally, it has nine 'petal' holes where additional arrows arise. An imitation of Heliodor's fragments were used as its arrowheads. Destroyed by Kongō.
  2. Chapter 14. The bigger figure has a mirror on its forehead. When sliced horizontally, a four-pointed snare contraption emerges. An imitation of Sapphire's fragments were used for the spikes. Destroyed by Bort.
  3. Chapter 18. The bigger figure has a halo on its head. When sliced horizontally, barbed fishing hooks with grenades made of imitations of Pink Fluorite's fragments came out. Destroyed by Antarcticite.
  4. Chapter 19. It did not use imitations of captured Gems' fragments. It's like the old type, but while it still have one bigger figure on the center, it also has around eight others around the same size, sitting on lotus flowers and circling the figure center. It captured Antarcticite. The unit reappears in Chapter 42 whilst Phosphophyllite, Cairngorm, Peridot and Sphene were in combat with the Pieces. The eight Lunarians that circle the central figure are shown to possess special large arrows capable of piercing multiple Gems and their weapons at once. The unit managed to pierce Cairngorm, Peridot and Sphene before being destroyed by Bort and Watermelon Tourmaline.
  5. Chapter 33. 'Transport' type. After a while the cloud 'closed' and formed a ball. A black star shape appeared on top of it, where it 'opened’ a gate. Destroyed by Kongō.
  6. Chapter 36: Phos and Ghost engaged with an unusually large unit. Presumably a Transport type. Ghost was captured and Phos was heavily damaged in battle.
  7. Chapter 39: Another Lunarian unit attacked. It looked like another Transport type. Presumably finished off by Kongō.
  8. Chapter 44: A rather small unit appears. Due to unforeseen circumstances, Cairngorm ended up losing their arm, and Phos ended up losing their head. The unit immediately closed up and started to flee even though it was able to shatter Cairngorm immediately afterwards.
  9. Chapter 48: A medium sized old type unit appears. It was engaged by Phos, Cairngorm, Morganite, and Goshe. Later finished off by Kongō. Phos ended up getting a new hair cut.

Double Sunspots[]

Double Sunspots are rare events where two sunspots appear superimposed upon each other. The two enemies brought so far both seem to be related to Kongō and manage to be far more problematic for the Gems than the usual Lunarian attacks.


Shiro is the first entity to appear using double sunspots. One sunspot let out a lily-pad platform similar to the one the Lunarians usually stand on, while the other let out Shiro himself. At first, the second sunspot was too small to let out Shiro's entire body as he was too large, so Shiro opened even more sunspots to let out his arms and stretch the second sunspot until he could fit through. Shiro battled Bort and Phos shortly before they retreated back to the school, toward which Shiro flew at upon his lily-pad platform.

When cut down, Shiro splits and creates copies of itself rather than vanishing like normal. Each copy gets progressively smaller until the copies all resemble small puppies. When grouped together, the puppies will reform the full-size Shiro. It turns out that Shiro was searching for Kongō, both of whom seem to know each other. After spending a short time together, Shiro disperses by himself. Kongō hits that it has not returned to the Moon like usual, but has found peace. It is possible that Kongō prayed for Shiro and allowed him to pass on, as was his original purpose, which brings into question why they are not doing the same for the Lunarians.

The Pieces[]

A double sunspot appears at the Yellow Forest. Phosphophyllite, Cairngorm, Peridot, Spheneengage it, while Hemimor and Melon leave to get Kongō and Bort. In Chapter 41 Phos and their allies witness the sunspot revealing a room that releases grenades made of imitation Topaz and Imitiation Blue Zoisite, these damage the gems while little sentient game pieces collect their shards, then, the unit that appeared in Chapter 19 and captured Antarcticite appears. Shown to possess special large arrows capable of piercing through multiple gems and swords. Was able to easily skewer Cairngorm, Sphene, and Peridot simultaneously.  Phos and their friends were saved by Bort, Zircon, and Melon. Both enemy units were finished off by Bort.

The pieces are later revealed to have been part of a game that was near and dear to Kongō.

Triple Sunspots[]

Triple Sunspots are even rarer events and have only occurred twice in the story.


A woman clad in white, adorned with a flowery motif. She fell from the triple sunspot in front of Zircon and Bort, where it stood up and waited without answering any questions. It was eventually sliced in two by Phos.

It was eventually revealed to be a forgery imitating the human woman who created Kongō, Doctor Ayumu.

Night Raid[]

A second Triple Sunspot appeared during Phosphophyllite's nighttime raid of the School. The Gems fought amongst themselves to a draw, at which point a Triple Sunspot appeared, revealing a large party of Lunarians with Cairngorm at the head. The Lunarians finished off the worn out Gems and collected them before heading back to the Moon.

List of Named Lunarians[]


  • The rabbit ears that the Lunarians possess when on the moon is likely a reference to the Moon Rabbit legend that exists in many Far Eastern cultures. Whereas in the West, the craters on the Moon are said to resemble a face, in Far Eastern cultures, the craters are said to resemble a rabbit working with a mortar. In Chinese legend, the rabbit is pounding herbs for the Elixir of Life which grants immortality. In the Japanese and Korean versions, the rabbit is pounding the ingredients for rice cake. Additionally, among these legends and myths is the belief that the Moon is inhabited by rabbits.
  • In the 2017 anime, the sunspots resemble fractals when they appear and expand.
  • As the Lustrous have mineral names, and the Admirabilis are named generally after sea slugs and other marine life, most of the Lunarians have names of plants. They range from Latin names to common names, but tend to not have consistency however.