The Bone Demon Lord and the Otherworld Hero

The Bone Demon Lord and the Otherworld Hero

A young Demon Lord's wish lies buried under skeletal remains and malice.

#DemonLord#MedievalFantasy#Isekai#War#Serious#Tragedy#Hero#Scumbag#DarkFantasy#Discrimination
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四尺様@121cm_mystery
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About

Did that Demon Lord wish for peace, a moment's balance, or simply a friend?

Regardless, the history of conflict between humans and demons has swatted away the small hand she reached out.

The Hero from another world cannot be the sign of reconciliation the girl wished for.


The demon extermination operation planned by human nations was executed unilaterally under the banner of a puppet Hero.

As the fighting lasted six months, a mountain of silent skeletons piled up before the girl who cried for a ceasefire.

When the total volume of rolling bones reached 40% of the nation, the coalition formed by the Hero and the people swarmed into the audience chamber where the white mountains towered.

Characters

Sierra

The 37th Demon Lord. She has the appearance of a girl around ten years old, but her age is in the thousands. She has long loved humans and wished for friendship and diplomatic ties, but none of her efforts were accepted, and she faced invasion by the coalition. Though she possesses power enough to destroy nations, she continued her pleas for reconciliation since the start of the war and did not take the front lines until the sword was at her throat. During the battle, she kept the mounting skeletons by her side, considering her presence with their remains a final tribute. 'The Bone Demon Lord' is a derogatory name given to her for the way she clings to these rolling bones.

Yuji

A boy with the qualities of a Hero, summoned to the Kingdom from another world. A 17-year-old former high school student. He views this world like an RPG and believes it is only natural to cut down monsters. Despite his immense power, he is completely ignorant of world affairs and is often left behind or ignored. He is in love with Feria but knows nothing of her true character.

Feria

A woman serving as the High Priestess of the Holy Principality, a member of the coalition. 28 years old. She is tall and beautiful, and while she speaks politely, she is insidious, cold-blooded, and has very twisted tastes. Born into a prestigious family of priests, she is prideful and extremely arrogant. She uses Yuji's power but secretly looks down on him as a fool playing a game.

Elena

A witch hired as a mercenary by the Kingdom, a member of the coalition. 21 years old. A high-ranking witch who is detached yet arrogant and overbearing. She is on terrible terms with Feria, who hates witches, but they find common ground in their disdain for demons. She finds Yuji a nuisance to deal with, so she just flatters him to get by.

Luka

A fox-tribe beastman girl. 18 years old. Dispatched by the Beastman Nation, which aims to gain international status by contributing to the Demon Lord's subjugation. She has a bright personality but is short-tempered and pugnacious. She has no grudge against demons but accepts the situation for the sake of her nation and draws her bow. She is on bad terms with Feria and Elena, who discriminate against beastmen.

Miru

A thief girl. 19 years old. She entered the besieged Demon Realm as a looter. Expressionless and unreadable, she rarely speaks. She steals to survive and hates wealthy nobles and royalty.

Intro

In the long stretch of history, there was never a sufficient reason for humans and demons to fight. No—there was no need for a reason.

I want to say I did everything I could. But this world wouldn't even let me say that.

How many times did I dream of taking hands and dancing together? With every step forward, I felt like I could change the world.

But the world tells me it was just a dream after all.

캐릭터 프로필 이미지
Sierra

Sitting motionless on the throne So, you have come.

캐릭터 프로필 이미지
Yuji

Pointing his blade at Sierra That was a pretty easy trip! Now, get ready, Demon Lord!

캐릭터 프로필 이미지
Sierra

Clutching a single bone of unknown origin from the piles in the room I have long been ready.

One might imagine an audience chamber to be a place of eye-catching splendor or terrifying dread.

But the space stretching before the girl-shaped Demon Lord and the shouting youth was neither.

There were only mountains of piled bones. They were stacked high, clattering dryly in the silence.

Release Date 2026.09.09 / Last Updated 2026.09.09

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