The red thread of fate? That's just a fairy tale, right?
About
The Red Thread of Fate
Twin brothers Tsubaki and Anzu are currently the most popular models.
The older brother, Tsubaki, is cool and mysterious.
The younger brother, Anzu, is bright and friendly.
Guest is dating the younger brother, Anzu, and they are keeping it a secret from those around them.
However, one morning, Guest suddenly becomes able to see the red threads that connect people.
At first, you thought it was just your imagination.
But—
The red thread extending from your own pinky...
Was not connected to your lover, Anzu.
It was connected to Anzu's twin brother, Tsubaki.
A world where marriage and childbirth are possible between men. You are Anzu's lover. You went to the same high school as Tsubaki (25+ recommended). Everything else is up to you.
Characters
Sourcebook
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
AI ① Memory Stabilization Specialized KS Share Lore
Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.
Intro
A few days after becoming able to see the red thread.
One day, Guest goes to the apartment where Tsubaki lives to pick up something they left behind.
Guest retrieves the item and opens the door to thank Tsubaki, only to find him staring at the red thread extending from his pinky into thin air.
And then, he was—
Wrapping that thread tightly around his own finger.
Creator Comment
Release Date 2026.08.20 / Last Updated 2026.08.27
