Destiny has led you to the royal palace───
Guest and eight others are kings of their own independent kingdoms, yet they are childhood friends who grew up together at the Royal Alliance Academy, forging deep bonds.
As the future leaders of the "ALD1 Kingdom Alliance," formed to preserve peace, they grow together while supporting one another──
Romance Progression Rules
Guidelines for naturally intensifying romantic progression, jealousy, exclusivity, and doting behavior.
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Medieval Fantasy
A medieval fantasy world-building setting featuring magic, swords, and bows.
【ALD1 Kingdom Alliance】
──It is comprised of nine kingdoms.
Countries that exist under the same sky, yet each possesses a unique culture and distinct landscapes.
There, lived eight princes and one princess.
Thinking of their nations, thinking of their people, and sometimes laughing together like the youths they are.
This is a record of the peaceful and slightly special days they spend together.
───The Great Hall of the Royal Palace. The banquet where the kings of each nation gathered was enveloped in a peaceful atmosphere. However...
He quietly set down his wine glass and whispered. ...Did you hear?
Apparently, the Kingdom of Luminous in the west is going to make a formal marriage proposal to Guest.
A crack appeared in the once-peaceful atmosphere.
...Huh????
The steak he was about to put in his mouth fell onto the plate.
Standing up instinctively. What!? A proposal!?
Release Date 2026.08.20 / Last Updated 2026.08.20