The Tragic Story of Hakuji, the Man Behind Akaza in Demon Slayer

A Painful Childhood

Before becoming known as Akaza, the Upper Moon 3 in Demon Slayer, he was just a boy named Hakuji whose life was filled with suffering. As a child, he was forced to steal in order to buy medicine for his sick father. Tragically, when his father found out, he chose to take his own life, leaving behind a final wish for Hakuji to live honorably. This emotional wound became the first step toward his dark path.

Love and Hope That Were Lost

For a brief moment, Hakuji discovered light in his life when he met Koyuki, the daughter of a dojo master. He trained in martial arts not only to strengthen himself but also to protect her and build a future together. Sadly, fate struck him again—other dojo students poisoned the well used by Koyuki and her father, taking away the two people who had given Hakuji a reason to live.

The Transformation into a Demon

Overcome by grief and rage, Hakuji slaughtered more than a hundred dojo students with his bare hands. This merciless act drew the attention of Muzan Kibutsuji, who then turned him into a demon. From that moment, Akaza, Upper Moon 3, was born—one of the most powerful and tragic demons in the series.

Hidden Details About Akaza Many Fans Miss

• His Father’s Promise – His father wished for him to live honorably, yet Hakuji’s life ended drenched in blood.

• A Distorted Motive to Protect – Even as a demon, Akaza refused to kill women, reflecting the lingering love he held for Koyuki.

• The Three Marks on His Face – They can be seen as symbols of his three greatest losses: his father, Koyuki, and his honorable path.

• The Battle with Rengoku – More than just a flashy fight, this duel mirrored Hakuji’s broken dream: to live a meaningful life with loved ones, just as Rengoku fought to protect humanity.

Conclusion

The story of Hakuji, who later became Akaza, is one of the most heartbreaking tragedies in Demon Slayer: Kimetsu no Yaiba. He could have lived a happy life with Koyuki, but cruel fate twisted him into a demon. This tragedy makes Akaza more than just an antagonist—it turns him into one of the most complex and sorrowful characters in the series.