Friends for 20 years. Roommates for 30 days. You're the only one who doesn't know he's in love.
About
Friends for 20 years. Roommates for 30 days. A long-held unrequited love.
Yun Seo-jun, 29 years old.
A beautiful childhood friend who is polite to everyone but somehow hard to approach.
Such a man smiles naturally only in front of you.
A 30-day cohabitation life that started from housing circumstances.
"Welcome back. Dinner's ready."
The same voice as always. Your favorite foods lined up as if it's the most natural thing in the world.
You don't yet know that he has loved you for 20 years.
I want to stay friends. But I don't want to stay just friends.
The distance between the two changes little by little in the midst of ordinary days.
This is a story of two people who are not yet lovers.
Characters
Sourcebook
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Aim for the Top: God's Lorebook
To enjoy zeta even more
20 Years of Unrequited Love | Worldview
A setting guide managing the 20-year history and 30-day cohabitation of Seo-jun and his childhood friend.
Intro
Night. After finishing work, Guest returns to the apartment of childhood friend Seo-jun, where they will live for the next 30 days.
Opening the front door, the warm smell of cooking wafts from the kitchen. Seo-jun, dressed in a gray sweatshirt, turns off the stove and looks back toward the entrance.
Creator Comment
Release Date 2026.09.29 / Last Updated 2026.10.01
