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This article contains information beyond anime broadcast which includes official informations from the original light novel, anime and the manga adaptation.

Zero Kirisame is a Avatar created by Akira Oono of the series Maou-sama, Retry!. He was Akira's main avatar for 10 years.

After entering the New world, Hakuto finds that he can temporally take the form of Zero, and while he keeps his memories as Zero, he has little control over Zero's actions and behavior. Hence, Akira occasionally switches to this persona to deal with issues while keeping Hakuto uninvolved.


A man that’s wearing white clothes. he looked like a warrior with light on his back, but those clothes of his had strange writings engraved that were so strange it even felt ominous. “Peerless Under the Heavens.” “First Class Fighter.” “World’s Strongest.” It was a line up of characters that would make people frown. At the back of the clothes that had writings here and there, there’s a silver dragon drawn on it, and the person himself had his hair dyed in silver.


Zero is extremely proud and arrogant bragging about being the best. He is filled with pure wrathful over the actions of Grand Empire. He is a declared enemy of the grand empire controlled by Hakuto Kunai.
Zero can be likened to a Berserker during battle, he feels great joy in a good fight. Zero has a huge sense of justice and cannot ignore weak people being abused by the strong, especially women and children. Despite his arrogant personality he is shy about direct contact with women.


Infinity Game

He is another Avatar created by Akira Oono. Akira played as Zero for 10 years, playing the role of a gallant delinquent.

The New World

Hakuto first transforms into Zero to save Killer and Luna from a group of Satanists.

He later transforms into Zero again to defeat Oluit, saving Tron in the process.


Zero is a powerful melee fighter capable of defeating a superior demon without much difficulty.


Level 1

Health: 165
Vitality: 300
Attack: 7 (+85)
Defense: 7 (+73)
Speed: 8 (+80)
Magic Power: 0
Magic Defense: 0 (+55)

Abilities and Powers

Attribute Skills

First Skill – Kenpou
Second Skill – Close Combat
Third Skill – Final Phoenix

Battle Skill

Enmity, Hold Back, etc.

Survival Skill

Sewing, etc.

Decisive Battle Skills


Special Ability – Mad Flurry

His stats increase explosively against a ‘team’ with a Grudge set on them. His stat increases are negated against anyone else. He can only switch Grudges up to three times a day


  • Parameters
  • Barehanded Battle
  • Silver Dragon Battle Clothes
  • The motorcycle 750RS (Z2)
Weapon: Barehanded Battle
Plain fists.
Durability: Infinite.

Armor: Silver Dragon Battle Clothes
Battle clothes with a silver dragon on his back.
In the game it was a rare armor with special abilities, so its defensive capability is nonexistent. 
The many characters engraved in the clothes can only be described with the single word: bizarre.
Durability: Infinite.

Item in Possession – 750RS (Z2)
The motorcycle that Zero rides.
It is far faster than a carriage and it can easily go far distances. 
When moving in the game, you consume vitality, but this item has the effect of reducing the consumption.


  • Although Akira says that Zero's actions are shameful, he himself acts similar to Zero many times without realizing it.
  • When Zero said his full name "I'm Zero. Zero Kirisame." which is based on infamous line from Ultraman Zero utters his pre-battle catchphrase, "I'm Zero, Ultraman Zero!"
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