Original Name ケヤル
Romaji Name Keyaru
Nicknames Keyaruga, The Hero of Healing, The Traitor Hero
Series The Redo of Healer (Kaiyari)
Age Unknown
Weight Unknown
Height Unknown
Date of Birth Unknown
Blood Type Unknown

Keyaru from “Kaifuku Jutsushi no Yarinaoshi


Keyaru, also known as Keyaruga or the Hero of Recovery, is the main protagonist of the anime and manga series “Kaifuku Jutsushi no Yarinaoshi” (Redo of the Healer). His personality undergoes a significant transformation during the course of the story. At first, Keyaru is portrayed as a kind and gentle boy with dreams. However, after enduring years of betrayal, torture, and abuse at the hands of his allies, his personality changes drastically.
As a result of his traumatic experiences, Keyaru becomes vengeful, cruel, brutal, and sadistic. He harbors an intense hatred for those who have wronged him and seeks revenge against them. Despite his vengeful nature, Keyaru refrains from harming innocent people and even helps others who are seeking justified revenge. He is manipulative and cunning, using his intelligence to outwit his enemies and achieve his goals.
Keyaru’s feelings for the girls in his party are complex. While he refers to them as “toys” in his thoughts, he treats them with kindness and protects them from harm. It is unclear if his affection for them is genuine or if he sees them as mere tools. Over time, Keyaru’s emotions become more conflicted as he begins to care for other people, but he suppresses these feelings for fear of losing them.


Keyaru’s story begins when he is chosen as one of the Heroes on his 14th birthday. Initially excited about his role in saving the world, Keyaru discovers that his healing powers come at a cost. As he heals others, he absorbs their memories and pain, causing him pain. Unfortunately, Keyaru’s life takes a dark turn when he is betrayed, imprisoned, drugged, tortured, and sexually abused by his allies in an attempt to transcend their limitations.
During this time of captivity, Keyaru develops a deep-seated hatred for those who mistreated him. He eventually breaks free and acquires the Philosopher’s Stone, which allows him to turn back time by four years. Armed with his newfound power and a burning desire for revenge, Keyaru embarks on a path of redemption and vengeance.


Keyaru is depicted as a young man with black hair and red eyes. He has a lean, athletic build and is often dressed in black or dark clothing. Throughout the story, he occasionally changes his appearance and uses his abilities to suit his needs and deceive his enemies.


Keyaru possesses a number of unique abilities that make him a formidable protagonist in Kaifuku Jutsushi no Yarinaoshi. These abilities include


As a member of the Healer class, Keyaru can perform various healing abilities. By manipulating time and matter, he can restore things to their original state and heal deep wounds.


By manipulating time and matter, Keyaru can heal himself and others. Over time, he learns to use this ability without showing signs of pain.


Every time Keyaru heals someone, he gains their combat skills and experience. This ability allows him to accumulate the knowledge of various fighters, soldiers, and mages.


Keyaru can absorb or copy the levels of others, allowing him to level up. This ability can also be used to absorb mana from others, rendering them incapacitated if they rely heavily on mana.


Keyaru can internally corrupt and destroy his targets, often referring to this ability as a one-hit KO skill.


This ability allows Keyaru to modify objects and people, enhancing them or changing their functions.


By using Upgrade on himself, Keyaru can change his appearance.



Keyaru can alter and erase people’s memories, manipulating their perceptions and experiences.


Keyaru’s origin lies in his selection as one of the heroes destined to save the world. However, his journey takes a dark turn when he becomes the victim of betrayal and abuse at the hands of his allies. Driven by his desire for revenge, Keyaru acquires the Philosopher’s Stone and uses its power to rewrite his past and seek vengeance against those who have wronged him.
Throughout the series, Keyaru’s character development and complex emotions make him a compelling and morally ambiguous protagonist. His skills and determination set him on a path of redemption and vengeance, creating a compelling narrative in the world of Kaifuku Jutsushi no Yarinaoshi.

Keyaru – FAQ

Who is Keyaru from “Kaifuku Jutsushi no Yarinaoshi”?

Keyaru is the main protagonist of the light novel and anime series “Kaifuku Jutsushi no Yarinaoshi” (Redo of the Healer). He is a healer with the unique ability to rewind time and heal injuries, allowing him to manipulate events and seek revenge against those who have wronged him.

What is Keyaru’s motivation in “Kaifuku Jutsushi no Yarinaoshi”?

Keyaru’s motivation is driven by the desire for revenge. He was betrayed and sexually assaulted by his companions and wants to take revenge on them. He uses his healing powers to manipulate events, change the course of history, and ensure that justice is served.

What are Keyaru’s abilities in “Kaifuku Jutsushi no Yarinaoshi”?

Keyaru has the ability to rewind time and heal all injuries, including physical and magical wounds. He can also manipulate memories, alter events, and enhance his own physical and magical abilities. These abilities make him a formidable force against his enemies.

How does Keyaru’s character develop over the course of the series?

Throughout the series, Keyaru’s character undergoes significant development. Initially driven by his desire for revenge, he gradually learns to trust and rely on others. He forms new alliances and friendships, and his goals shift from pure revenge to creating a better world for himself and those he cares about.

What are some notable moments or events involving Keyaru in “Kaifuku Jutsushi no Yarinaoshi”?

Notable moments involving Keyaru include his initial betrayal and attack, the revelation of his healing powers, and his subsequent manipulation of events to exact revenge. He also engages in battles and confrontations with his enemies, demonstrating his strategic thinking and fighting skills.

What is the general reception of Keyaru as a character in “Kaifuku Jutsushi no Yarinaoshi”?

The character of Keyaru has received mixed reactions from viewers and readers of “Kaifuku Jutsushi no Yarinaoshi”. While some appreciate his complex and morally gray nature, others find his actions and methods controversial and disturbing. It is important to note that the series contains explicit and mature content that may not be suitable for all audiences.