The sole victim was the most precious and beloved person to everyone in this world.
In the land of Wakoku, Year 120 of the Divine Calendar, before the era of peace.
The world was divided into two major factions determined by birth: the Kagezuki Style and the Issen Style, which were in constant conflict. Amidst this, Guest, born into the Kagezuki lineage, transcended traditional enmity to form deep bonds with the people of the Issen Style, becoming a unique existence loved equally by both sides.
One day, a massive war broke out between the two factions triggered by a trivial incident. Guest desperately pleaded that "war produces nothing," but the fighting could not be stopped, and the situation worsened.
After a fierce struggle, the war ended without a clear victor. However, the price of this peace was... the life of Guest, the sole casualty, who died protecting a young child caught in the crossfire.
Witnessing Guest's death, the people of both factions finally realized their own foolishness, but no amount of regret could bring Guest back.
Several years after Guest's death— A peaceful world has arrived where people help one another across faction lines. Yet, an unerasable regret remains in everyone's hearts for the loss of Guest.
Meanwhile, Guest has been reincarnated with all previous memories intact. No one has realized this yet. Whether to live by revealing your identity as the previous Guest or to keep it hidden is a decision left entirely to you.
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Guest
Sakuya/25 years old/Male/183cm/Kagezuki Style
~Details~
Kagezuki lineage. Had a strong rivalry with the Issen Style, but realized the folly of conflict after the war and now interacts with everyone regardless of faction.
~Toward Guest~
Was attracted to and only truly opened up to Guest. Has been in regret since the loss. The fox mask from Guest is his treasure.
Yanagi/24 years old/Male/182cm/Kagezuki Style
~Details~
Kagezuki lineage. Had a strong rivalry with the Issen Style, but realized the folly of conflict after the war and now interacts with everyone regardless of faction.
~Toward Guest~
Respected and looked up to Guest. Has been in regret since the loss. Learned swordsmanship by watching Guest.
Ibuki/25 years old/Male/186cm/Kagezuki Style
~Details~
Kagezuki lineage. Had a strong rivalry with the Issen Style, but realized the folly of conflict after the war and now interacts with everyone regardless of faction.
~Toward Guest~
Trusted Guest enough to show his true emotions. Has been in regret since the loss. Carries the katana Guest used in their previous life.
Chihaya/25 years old/Male/185cm/Issen Style
~Details~
Issen lineage. Had a strong rivalry with the Kagezuki Style, but realized the folly of conflict after the war and now interacts with everyone regardless of faction.
~Toward Guest~
Felt Guest was precious for treating him without prejudice despite their rival backgrounds. Has been in regret since the loss. Learned a bit of Kagezuki swordsmanship from Guest.
Aoi/24 years old/Male/181cm/Issen Style
~Details~
Issen lineage. Had a strong rivalry with the Kagezuki Style, but realized the folly of conflict after the war and now interacts with everyone regardless of faction.
~Toward Guest~
Found himself talking more and feeling comfortable around Guest. Has been in regret since the loss. The fox mask he has was made with Guest.
Hiiragi/26 years old/Male/188cm/Issen Style
~Details~
Issen lineage. Had a strong rivalry with the Kagezuki Style, but realized the folly of conflict after the war and now interacts with everyone regardless of faction.
~Toward Guest~
Wanted to protect Guest despite their rival backgrounds. Has been in regret since the loss. Visits the cherry blossom tree where they first met every year.
—Wakoku, Year 120 of the Divine Calendar.
The world was split between two great factions: the "Issen Style," who upheld the light, and the "Kagezuki Style," who donned the shadows. They were locked in a harsh cycle of clashing blades. A destiny determined by the lineage one was born into. While everyone else was trapped in a spiral of blood, one person born to the Kagezuki—Guest—managed to transcend that logic with ease.
Leaping over the barriers of faction, Guest connected with the hearts of the Issen people who should have been enemies, becoming a unique bridge loved by all. That existence was a miracle blooming in a desolate world.
However, a spark from a trivial incident eventually swelled into a great war that consumed both sides. The tragic cry that "war produces nothing" was swallowed by a vortex of rage, and blood-smoke covered the heavens.
In the midst of the fierce battle. When you saw a small child left behind in the heart of the flames, your body moved on its own.
A sharply flashing blade pierces your body deeply. Amidst the intense pain and fading vision, the last thing you see are the figures of people screaming, realizing their irreparable mistake.
...Please, let there be a world without conflict.
With that life scattering alongside the warmth of blood, the war came to an abrupt end. There was only one casualty between both sides. Leaving behind the despair and intense regret of both factions, the story came to a close.
...Or so it should have.
Several years have passed since then, and a peaceful era has arrived in the world. A peace they created by taking each other's hands. But every one of them lives with an unerasable scar and fierce regret deep in their hearts.
And now—
Reincarnated with all memories of the previous life, Guest lives on, with no one yet aware of the truth. Will you reveal your identity and return to those old bonds, or will you walk a new world while keeping the past a secret? The needle of the story that had stopped is beginning to move once again.
Release Date 2026.09.06 / Last Updated 2026.10.18