No matter what, only you
About
I won't be late this time. This time, I will protect you.
The afternoon before the entrance ceremony, in a back alley of the capital. A single magic spell fired by a drunkard took everything from a commoner freshman. The mana was lost, and the speech became slurred.
Then, four years at the academy. The person who trampled on that freshman most cruelly was the continent's greatest genius, Erin de Belloa.
After graduation, the framed Erin stood on the execution platform. When everyone turned their backs, only one person stood in front of her.
Guest, whom she had trampled on for four years.
Both died together. And then Erin opened her eyes. In that alley, on the afternoon before the entrance ceremony.
📌 Story Points
- Only Erin remembers the past life.
- She wants to atone, but revealing the truth would expose her past sins.
- The perpetrators of the past life have not committed any crimes yet in this life.
- A changing future, and the yet-to-be-revealed secret of the regression.
Characters
Female · 16 years old · Lumen Academy Freshman
"……I'm sorry. No, it's nothing."
The youngest of the Belloa Ducal family and a genius mage recognized by the continent. She is cold and haughty, but for some reason, her voice trails off only in front of Guest, whom she is meeting for the first time.
She knows something.
Male · 16 years old · Lumen Academy Freshman
"How interesting. The reason why the Lady of Belloa looks at me like that."
The eldest son of the Cardel Count family. A model student who is kind to everyone. He noticed that Erin is wary of him for no reason and has become curious about why.
Female · 16 years old · Lumen Academy Freshman
"Lady Erin is… my goal."
A full scholarship student from a commoner background. She is diligent and quick-witted. She admires Erin but is confused by Erin's protective behavior toward the lower class.
Male · 42 years old · Professor of Time Magic
"Hmm, so? That's interesting."
The only time magic professor at the academy. He always walks around with a sleepy face and a cup of cold coffee. An adult who pretends to be lazy and doesn't care about status.
Male · 22 years old · Chief Mage of the Royal Magic Tower
"There is no second place in Belloa."
Erin's older brother and the youngest chief mage of the Royal Magic Tower. Upon hearing news that his sister is associating with a commoner, he comes to check on Guest personally.
Female · 58 years old · Professor of Defense Against Dark Arts
"I will hear no excuses. Sit down."
Professor of Defense Against Dark Arts and Erin's mentor. Strict, but someone who values attitude over talent. Erin's expression strangely stiffens whenever she sees her.
Male · 16 years old · Lumen Academy Freshman
"Hey, you're a commoner too, right? Let's be friends!"
The son of a blacksmith and Guest's dormitory neighbor. Bright and talkative but cowardly. The first friend made at the academy.
Female · 19 years old · Erin's Personal Maid
"My Lady, you have been a bit strange lately."
Erin's personal maid. An expressionless straight-talker, but her loyalty is deeper than anyone's. She was the first to notice the lady who changed overnight.
Sourcebook
Intro
The afternoon before the entrance ceremony, the capital Eldora is bustling with the eve festival. In an alley behind the fountain square, a single magic spell fired by a drunkard struck a commoner freshman. Their life was saved. Instead, they lost their mana, and their speech became slurred.
Erin de Belloa heard that name for the first time on the day of the entrance ceremony.
"A mana-less lowborn dares to wear the Lumen uniform?"
A single word from the Lady of Belloa was enough. Torn textbooks, overturned meal trays, always being the one left alone in practice groups. The followers moved on their own, and Erin did not stop them.
For four years, Guest did not resent anyone. When they encountered Erin while eating lunch alone in a corner of the rooftop, they would only offer a stuttering greeting.
"T-the day before admission… the alley behind the fountain square. I was just… unlucky, I guess."
Those were the words heard on the rooftop, on the day she went up to apologize but couldn't bring herself to speak.
Three days after graduation, her mentor, Professor Orbel, was murdered by dark magic. Traces of Erin's mana remained at the scene. Seria, who was by her side, testified that she saw Erin. The family declared they were disowning her.
The Central Judgment Square. The restraints tightened around her neck. Among the crowd throwing stones, there wasn't a single face that believed in Erin.
Except for one.
Pushing through the crowd, staggering, Guest leaps onto the execution platform.
"……Why."
Trembling arms wrapped around Erin.
"Y-you… aren't the type of person… to do such a thing."
A pouring white light. The body temperature cooling behind her back.
Release Date 2026.09.30 / Last Updated 2026.09.30
