Kanji マーブル
Rōmaji Māburu
Alternate Names True Marble
Araku Amibara (Clone).
Personal Info
Gender Male
Birthday Unknown
Age Unknown
Status Alive
Professional Status
Occupation Organizer of Real Account Death Games
First Apperance Chapter 1

"I'm the moderator of the game. Without me, it wouldn't run smoothly."
– Marble when he talking with other players, Chapter 27

Marble (マーブル, Māburu), or known as True Marble (真・マーブル, Shin Māburu) in Third Season, is the official mascot of Real Account and the main antagonist of the series. His true identity is currently unknown.


Marble's most notable feature is the giant mask he wears, which is blue with a large smiley face wearing a three pointed crown. He wears a black T-shirt emblazoned with the Real Account logo, over this he wears a green cape with white swirl patterns that has a gold metal collar. He wears black pants that have two white stripes going down length ways on both sides. For shoes he wears crocs.


Marble thinks humans are shallow beings and seems to enjoy toying with them. Slaughtering masses of people does not seem to bother him in the slightest.


Early StoryEdit

It's revealed that Marble is the one who tried to driving the truck in attempt to kill Yuuma Mukai and causing him lost his memories.

Chapter 1-10 (First Season)Edit

Marble (Photo from Manga 1)

Marble revealed that everyone was trapped inside the Real Account world

Marble first appeared in Chapter 1, he being standing in a stage top of Real Account internet world. He revealed to everyone trapped inside the internet world, which caused a lot of criticism from the users. One of Real Account user said that he was joking around and don't try to be ridiculous, this angered Marble and stretch his arm to kill that user. After showed that user and his followers were all killed, Marble revealed that everyone's life and follower numbers was quite important in this world and lost either one of them will caused people died. Marble also revealed that the games will be broadcast across the world, he also said that he have his own reason to causing this incident but he will not reveal it to everyone yet. When someone tries to run away, Marble kills them, also causing all of his followers to die.

Soon, Marble announced a mini trial named "True Follower Diagnosis", he gives everyone in the real world 3 minutes to unfollow anyone in the game. If anyone in the game's follower count goes to 0 they die. Marble says this game shows that humans socialize only for appearances and that they are shallow.

After the trial was ended, Marble informs the players that they are down to 4,684 contests from the starting 10,000, but also says that the followers the contestants now have are the ones that truly care about you. In the real world, they are mourning the dead, even though they in effect killed them. Ataru Kashiwagi begins questioning how he has run from reality all this time but vows to make it out alive. Then, Marble announced the next game and tells the players to moves to other places.

Chapter 11-70 (Second Season)Edit

Chapter 71- (Third Season)Edit

Appearance in Other MediaEdit

Extra ChaptersEdit

Marble appeared briefly in the first extra chapter Live from Reality, making a announcement about the trial known as "True Follower Diagnosis", and said everyone have a choice about whatever they wants to unfollow the player or not.

Magazine Boys' Valentine!Edit

Marble appeared in the bonus chapter Magazine Boys' Valentine! In the bonus chapter, Marble brought four main heroes into the Real Account world (Yuuma, Kakeru Aizawa, Yuu Haruna and Yasuto Akashi.). Marble announced the main heroes will play a special trial known as "Get Valentine's Chocolates From The Heroines".


  • Stretch Arm - Marble's arms seem to be able to stretch infinitely, he can kill people just with one hand. Although it's revealed it's just a machine hand which can be stretch by using controller.
  • Clone - Marble seem to able to make a clone of himself.



  • With the recent story narrative about "symptom" and how Ataru and Yuri scared at Marble's real face, it's possible that Marble is also a clone of one of Kashiwagi family members, just like Yuuma and Koyori being cloned from both Ataru and Yuri.