Kira is the alias of Light Yagami, the protagonist of Death Note, who uses the Death Note to kill criminals in an attempt to create a utopia.
Light Yagami’s transformation into Kira begins with his frustration with society’s corruption, leading him to justify killing criminals to create a better world.
As he embraces Kira’s identity, his sense of justice becomes twisted, and he begins a dangerous battle of wits with the detective L.
To learn more about who is Kira in Death Note and explore his complex character, check out the full article below on KunManga!
Who is Kira in Death Note?
Kira is the alias used by Light Yagami, the protagonist of Death Note.
Light is a brilliant but disillusioned high school student who comes into possession of a supernatural notebook called the Death Note, which gives him the ability to kill anyone whose name he writes in it, as long as he knows their face.
Using this newfound power, Light adopts the name Kira (a stylized version of the word “killer”) and begins to execute criminals around the world, believing he is creating a utopia free from evil.
As Kira, Light’s actions attract the attention of law enforcement agencies globally and set in motion a tense battle of wits with L, the world-renowned detective trying to stop him.
While Light/Yagami aspires to create a world ruled by his own brand of justice, Kira symbolizes his darker, more ruthless nature.
His transformation into Kira and the moral conflicts surrounding his actions are central themes in Death Note.

The evolution of Kira (Light Yagami)
When Light first discovers the Death Note, he is initially hesitant about using it. However, as he witnesses the widespread corruption and injustice in the world, he becomes more determined to rid society of criminals.
His character evolves as he starts to embrace Kira’s identity, justifying his killings as a way to establish peace.
Key factors in Light’s evolution into Kira include:
Moral Justification
Light believes that by eliminating criminals, he is doing the world a favor. His strong sense of justice becomes twisted as he starts seeing himself as the ultimate arbiter of life and death.
His Relationship with the Death Note
The more Light uses the Death Note, the more his sense of right and wrong deteriorates. As Kira, he becomes willing to sacrifice his moral compass for his vision of a better world.
The Battle of Wits with L
As Light continues to kill, the brilliant detective L begins to investigate Kira’s identity, leading to a complex and high-stakes game of cat and mouse. This rivalry forms the core of Death Note’s plot.

Why does Light choose to become Kira?
Light’s transition into becoming Kira can be seen as a combination of his disillusionment with the world and his inherent desire for power. There are several reasons that contribute to his choice to become Kira:
Disillusionment with society
As a highly intelligent student, Light becomes frustrated with the state of the world and the criminal justice system’s inability to effectively deal with crime.
Desire for control
Light’s pride and ego push him to take matters into his own hands, believing that only he has the power and intellect to create a better world.
The Death Note’s influence
The Death Note itself amplifies Light’s darker tendencies.
The power to kill anyone instantly is addictive and tempting, leading Light down a path where he justifies murder as a means of creating order.
Kira’s impact on the world of Death Note
Kira’s actions significantly impact the world in Death Note. As Light continues his crusade to eliminate criminals, he becomes an infamous figure feared by both the public and the authorities.
His killings inspire a movement of followers, some of whom believe in Kira’s vision of a new world order.
The Kira Cult
Over time, some individuals begin to worship Kira as a god. This cult views him as a savior, believing that his actions are just and necessary.
Global Panic and the Task Force
Governments and law enforcement agencies around the world are forced to take drastic measures to stop Kira, leading to the creation of a special task force led by L. The task force’s objective is to identify Kira and bring him to justice.

The significance of Kira in the story of Death Note
Kira’s role in Death Note is critical to the series’ exploration of morality, justice, and power.
As Light/Yagami transforms into Kira, the line between hero and villain becomes increasingly blurred.
Light’s ideals conflict with those around him, and his sense of righteousness is challenged as he becomes more power-hungry and ruthless.
Kira serves as the central antagonist of the story, and his actions raise important questions about justice:
- Is it ever right to kill someone, even if it’s for a noble cause?
- Who defines what is right and wrong?
- What happens when absolute power is given to an individual?
Kira is the embodiment of these complex questions, and his conflict with L and other characters drives the philosophical underpinnings of the series.
FAQs about Kira in Death Note
Curious about what is Death Note about and who is Kira in Death Note?
Check out our FAQs below to get all the answers and learn more about this iconic character and the series.
Why did Light become Kira?
Light becomes Kira because he is disillusioned with the world and believes he is the only one capable of establishing true justice by eliminating criminals.
What does Kira do in Death Note?
Kira, or Light Yagami, uses the Death Note to kill criminals by writing their names in the notebook, believing this will create a better world.
How does Kira justify his actions?
Kira justifies his actions by believing that he is creating a world free of crime and injustice, positioning himself as a god-like figure.
What is the significance of Kira in Death Note?
Kira represents the moral ambiguity of justice, as his actions raise questions about whether it is ever right to take a life for a perceived greater good.
How does Kira’s conflict with L impact the story?
Kira’s battle of wits with L, the world’s greatest detective, is a central part of the plot, creating a tense psychological game of cat and mouse.
Is Kira a villain in Death Note?
While Kira commits numerous killings, his character is morally complex. He starts as a self-righteous figure aiming for a better world but gradually becomes a villain as he seeks to expand his power.
In conclusion, Kira, the alias used by Light Yagami, is a central and morally complex character in Death Note.
His transformation into Kira and his actions challenge our perceptions of justice and power.
To dive deeper into who is Kira in Death Note and explore the full story, check out the manga on KunManga!

David Laid is part of the KunManga editorial team, focusing on curating fast-moving comic trends and presenting them in a clear, reader-first format. His work prioritizes up-to-date releases, genre discovery, and helping readers quickly decide what to read next across Manga, Manhwa, and Manhua.
