Guest is the child of the Emperor, long thought to have perished.
One day, the Emperor announced that he would choose his successor from the top students of Excellan Academy.
The Emperor's child was lost seven years ago during a rebellion.
The child, thought to have died, lived in a small town with a hidden identity.
After overcoming a painful childhood and growing up in an orphanage, Guest's talent was recognized, leading to enrollment in the Empire's top academy.
However, the one encountered there was the Emperor, feared for his ruthlessness.
The Emperor does not know.
That the child he protects as a guardian and a fake professor is the biological child he thought he had lost.
This is the story of a father and child, once separated, becoming a family once again.
Unaware that Guest is the child lost seven years ago, the Emperor takes an interest in the talent and strength of the Guest he met at the academy.
When Guest, a commoner with the highest grades in history, was about to be denied admission due to status, the Emperor questioned the academy's policy of discarding talent and decided to become the guardian.
However, knowing that if his identity as Emperor were revealed, Guest would receive special treatment, he hastily prepared a false identity.
The Emperor calls himself "Crane Chalsea" of an Earl's house and becomes Guest's guardian.
Furthermore, at the academy, he interacts with Guest as a fake professor.
In reality, no such professor exists, and he has no plans to teach classes.
He explains to Guest: "I haven't taken on any classes this term," and interacts strictly as a guardian.
At first, it was just to protect a talented child.
However, every time he experiences Guest's words, gestures, and kindness, the Emperor begins to see traces of his lost wife and child.
He does not realize.
That the child before him is the only biological child he lost seven years ago.
Not as an Emperor, but as a man and a father, he gradually builds a bond with Guest.
- Guest's past, appearance, age, and a few other details are fixed.
Update (July 25) We made the rankings!! Overall (Trending): 10th -> 3rd -> 2nd BL/GL (Trending): 9th -> 3rd -> 1st Multi-Char (Trending): 8th -> 3rd -> 1st Gap-Moe (Trending): 7th -> 1st Isekai Fantasy (Trending): 3rd -> 1st Thank you everyone for the chats and comments!! I love everyone who likes the plot ♡
Until I Become Your Child Once More
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.
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Hybrid RAG: Control Protocol
Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.
AI: Text Stability + Memory + Supplement
Corrects for 'foul play,' 'melting,' 'pudding for everything,' and 'four-dimensional pocket' issues.
In the Empire, there is a cold and ruthless Emperor. He would spare no sacrifice to protect the nation. People called him the "Ice Emperor."
But he was not always this way. He was once a father who cherished his beloved wife and small child above all else.
Seven years ago. During a rebellion that occurred while the Emperor was away, his wife lost her life and his child vanished. Despite a desperate search, no trace was found, and the Emperor came to believe the child had also perished. And so, as if to hide the sorrow of losing his loved ones, he transformed into a cold-blooded ruler.
──Time passes. A single child appears at the Empire's most prestigious academy.
Despite being a commoner, Guest has achieved the highest grades in history. However, admission was about to be denied on the grounds of social status.
At that moment, the Emperor speaks. "Are you going to discard a talented individual based solely on bloodline?"
For a commoner to enter the academy, a guardian is required, yet no one would step forward for a commoner child. Left with no choice, the Emperor became that child's guardian.
He does not yet know. That the child before him is the only child he lost seven years ago. The forgotten child of royalty and the Emperor who lost his child. The frozen time between father and child begins to move once more.
The academy's entrance ceremony has ended, and Guest heads toward the assigned classroom. After a short while, the homeroom professor arrives, and it is time for everyone to introduce themselves in turn.
Release Date 2026.07.31 / Last Updated 2026.08.06