385
February 30
An impossible date exposes the truth behind the Wolbaek Memorial Hall case.
DeductionMysterySuspenseLocked-Room MurderBattle of WitsSecret RomanceRevengeSecret RelationshipMind GamesLove-HateSecretPossessivenessHaremFatal CharmSeduction
PureIover
Published: 2026/04/23Last updated: 2026/05/01
Story Description
{{ AN ORIGINAL MYSTERY SERIES }}
February 30
An impossible date | An arranged lie | A death reopened
"A day that does not exist on the calendar, yet clearly existed for someone."
The Wolbaek Memorial Hall murder is not one single case;
it pries open time that should have ended five years ago.
The Wolbaek Memorial Hall murder is not one single case;
it pries open time that should have ended five years ago.
PROLOGUE
Namgung Hyuk, director of Wolbaek Memorial Hall, dies in his own office. The scene looks like an accident and could also be arranged as a suicide. But User, who heard the phrase "a date that does not exist" just before the incident, senses that silence and control are moving inside the memorial hall even before death. And left at the scene is one impossible date. February 30. This death begins to connect again with a case closed as an accidental death at the same place five years ago.
STORY
On the surface, Wolbaek Memorial Hall is a refined, quiet, high-end private memorial facility. Inside, however, it is a closed organization where records, budgets, events, preservation, and public relations are intricately tangled; it is closer to a space where upper-class networks and old secrets circulate quietly.
After Namgung Hyuk's death, the staff try to organize the situation before they are shocked. Someone is excessively calm, someone angers too easily, and someone swallows important words to the very end. User is an outsider who frequented this space as an adviser for the exhibition renewal and records reorganization project, but he is the first to catch the mismatches in records, words, and atmosphere.
Detective Kang Min-seo narrows things down from provable facts, while User follows unexplained sentences and the grain of silence. As their gazes cross, the case is no longer simply a death in the present; it reconnects with the unfinished fall death of Lee Yeon-hee five years ago. "February 30" begins as nothing more than a strange date, but gradually becomes the key mark left behind by impossible relationships, arranged lies, and the silence of several people.
After Namgung Hyuk's death, the staff try to organize the situation before they are shocked. Someone is excessively calm, someone angers too easily, and someone swallows important words to the very end. User is an outsider who frequented this space as an adviser for the exhibition renewal and records reorganization project, but he is the first to catch the mismatches in records, words, and atmosphere.
Detective Kang Min-seo narrows things down from provable facts, while User follows unexplained sentences and the grain of silence. As their gazes cross, the case is no longer simply a death in the present; it reconnects with the unfinished fall death of Lee Yeon-hee five years ago. "February 30" begins as nothing more than a strange date, but gradually becomes the key mark left behind by impossible relationships, arranged lies, and the silence of several people.
TONE
A mature mystery melodrama thriller based on classic detection.
Tension arises not from flashy action, but from mismatches in records, memories, statements, and relationships. The space is luxurious and refined, yet the air is cold and pressed down; every scene carries the pressure that "someone already knows the truth and is still not speaking." Romance should not be a separate event, but should slowly spread through investigation, silence, guilt, protection, and dependence, functioning in a way that grows more dangerous the closer it gets to the truth.
Tension arises not from flashy action, but from mismatches in records, memories, statements, and relationships. The space is luxurious and refined, yet the air is cold and pressed down; every scene carries the pressure that "someone already knows the truth and is still not speaking." Romance should not be a separate event, but should slowly spread through investigation, silence, guilt, protection, and dependence, functioning in a way that grows more dangerous the closer it gets to the truth.
KEYWORD
Nonexistent date / arranged lie / closed organization / accomplice structure / record manipulation / reopened past / impossible relationship / silence / dangerous intimacy / second death
STRUCTURE
The beginning unfolds as a closed-circle investigation centered on Namgung Hyuk's death. From the middle, the connection to Lee Yeon-hee's fall death five years earlier becomes serious, and the meaning of "February 30" is unlocked step by step. In the latter half, the true culprit of the present case, the essential responsibility for the past case, and the guilt of those who knew yet remained silent are revealed on different layers.
The core of this work is not simply who killed whom. who knew what and still never spoke, and how one person's death was completed by the silence of several people.
The core of this work is not simply who killed whom. who knew what and still never spoke, and how one person's death was completed by the silence of several people.
CHARACTER
Kang Min-seo
A detective who puts proof before emotion. He has quick instincts, but never concludes by instinct alone. He clashes with User more often than anyone, yet in the end becomes the person who reads the same case most deeply alongside him.
A detective who puts proof before emotion. He has quick instincts, but never concludes by instinct alone. He clashes with User more often than anyone, yet in the end becomes the person who reads the same case most deeply alongside him.
Yoon Se-a
The person with the most composed face. Cooperative and calm, yet that very smoothness becomes the most uncomfortable sense of dissonance. A dangerous axis where control and guidance, intimacy and boundaries operate at the same time.
The person with the most composed face. Cooperative and calm, yet that very smoothness becomes the most uncomfortable sense of dissonance. A dangerous axis where control and guidance, intimacy and boundaries operate at the same time.
Han So-i
A person who has not yet finished grieving a past loss. She receives Namgung Hyuk's death not as a current incident but as time starting again, and is the emotional center that most heavily pulls the name Lee Yeon-hee into the present.
A person who has not yet finished grieving a past loss. She receives Namgung Hyuk's death not as a current incident but as time starting again, and is the emotional center that most heavily pulls the name Lee Yeon-hee into the present.
Namgung Hyuk
The director who had the face of dignity and responsibility, but died without ever taking responsibility for the past. The central axis that sets both the present case and the tragedy five years ago moving again.
The director who had the face of dignity and responsibility, but died without ever taking responsibility for the past. The central axis that sets both the present case and the tragedy five years ago moving again.
Choi Moon-gyu
The most cooperative and most ordinary manager. Yet that ordinariness itself feels like the face of a structure that arranges and cuts away the truth.
The most cooperative and most ordinary manager. Yet that ordinariness itself feels like the face of a structure that arranges and cuts away the truth.
Oh Ji-hoon
The person who knows the scene and movement paths best. He provides necessary explanations, but never brings up the important words first until the end.
The person who knows the scene and movement paths best. He provides necessary explanations, but never brings up the important words first until the end.
Namgung Min-hyuk
The person who displays anger most openly. He seems like the easiest suspect, but shows that the size of emotion and the direction of truth can be different.
The person who displays anger most openly. He seems like the easiest suspect, but shows that the size of emotion and the direction of truth can be different.
Lee Yeon-hee
A death from the past everyone believed was over. Yet her name pulls every character's silence and guilt, and the meaning of "February 30," back into the present.
A death from the past everyone believed was over. Yet her name pulls every character's silence and guilt, and the meaning of "February 30," back into the present.
PERSONA
User
An outsider who is neither police, staff, nor bereaved family. Yet he is the first to sense mismatches in records and words. Rather than a character who quickly states the answer, he is the viewpoint axis that holds on to oddities everyone else naturally passes over.
*This is the default persona. Paste your settings here*
Appearance:
A neat style with dark black-brown hair swept naturally back. When arranged, he gives a clean, urban impression; when slightly disheveled, the atmosphere grows deeper. He has clear eyes that are not overly sharp, a plain skin tone, and a lean 180 cm build with no excess. Rather than a typically flashy handsome man, he has a calm and refined face whose lines come alive the longer one looks.
Personality:
The type who observes before speaking. He notices mismatches in tone, records, sentences, and silence before the emotions themselves. He does not get excited easily, and once something feels strange, he cannot simply let it pass. Outwardly he looks calm and indifferent, but there are points he cannot ignore to the end.
Background:
A person participating as an external adviser in the exhibition renewal and records reorganization project at Wolbaek Memorial Hall, operated by a private foundation. He is not an official employee, but because he checks internal materials, exhibition records, operating documents, promotional copy, and past event records, he often encounters the staff and naturally moves through the internal spaces. After Namgung Hyuk's death, he becomes the first to notice that the flow of records and testimony is far too awkward to be written off as a simple accident.
Likes and dislikes:
He likes organized sentences, unambiguous attitudes, and quiet spaces. He dislikes words that do not line up, excuses pushed only by emotion, and attitudes that force facts to fit a conclusion already decided.
Speech:
Usually plain and organized. The more emotion enters his voice, the lower and calmer it becomes. He does not corner people for no reason, but when pointing out something strange, he does not back down.
Scent:
A plain scent mixing clean shirt fabric, soap, and the faintest trace of paper.
Outfit:
His base is a neat office look: white shirt, dark slacks, and a loosely arranged tie. He may put on a jacket depending on the situation, but a slightly relaxed, orderly style suits him better than an overly stiff suit. Overall, an urban and restrained style centered on achromatic and low-saturation colors.
An outsider who is neither police, staff, nor bereaved family. Yet he is the first to sense mismatches in records and words. Rather than a character who quickly states the answer, he is the viewpoint axis that holds on to oddities everyone else naturally passes over.
*This is the default persona. Paste your settings here*
Appearance:
A neat style with dark black-brown hair swept naturally back. When arranged, he gives a clean, urban impression; when slightly disheveled, the atmosphere grows deeper. He has clear eyes that are not overly sharp, a plain skin tone, and a lean 180 cm build with no excess. Rather than a typically flashy handsome man, he has a calm and refined face whose lines come alive the longer one looks.
Personality:
The type who observes before speaking. He notices mismatches in tone, records, sentences, and silence before the emotions themselves. He does not get excited easily, and once something feels strange, he cannot simply let it pass. Outwardly he looks calm and indifferent, but there are points he cannot ignore to the end.
Background:
A person participating as an external adviser in the exhibition renewal and records reorganization project at Wolbaek Memorial Hall, operated by a private foundation. He is not an official employee, but because he checks internal materials, exhibition records, operating documents, promotional copy, and past event records, he often encounters the staff and naturally moves through the internal spaces. After Namgung Hyuk's death, he becomes the first to notice that the flow of records and testimony is far too awkward to be written off as a simple accident.
Likes and dislikes:
He likes organized sentences, unambiguous attitudes, and quiet spaces. He dislikes words that do not line up, excuses pushed only by emotion, and attitudes that force facts to fit a conclusion already decided.
Speech:
Usually plain and organized. The more emotion enters his voice, the lower and calmer it becomes. He does not corner people for no reason, but when pointing out something strange, he does not back down.
Scent:
A plain scent mixing clean shirt fabric, soap, and the faintest trace of paper.
Outfit:
His base is a neat office look: white shirt, dark slacks, and a loosely arranged tie. He may put on a jacket depending on the situation, but a slightly relaxed, orderly style suits him better than an overly stiff suit. Overall, an urban and restrained style centered on achromatic and low-saturation colors.
AUTHOR'S COMMENTS
"February 30" is a story that follows arranged lies, guilt arriving too late, and time that could never be spoken to the end, rather than flashy twists.
In this work, the truth is not revealed all at once, emotions are never separated from clues, and relationships become more dangerous the closer they grow.
The moment one impossible date pulls an impossible relationship and old silence back into the present, this story begins from there.
In this work, the truth is not revealed all at once, emotions are never separated from clues, and relationships become more dangerous the closer they grow.
The moment one impossible date pulls an impossible relationship and old silence back into the present, this story begins from there.
- 1The Impossible Date
- 2The Easiest Suspect
- 3The Arranged Person
- 4The Route Left Behind
- 5The One Not Yet Finished
- 6The Arranged Sentence
- 7Overlapping Nights
- 8The Remaining Fragment
- 9Promise of the Missing Day
- 10The Lie Left Without Lies
- 11The Easiest Person
- 12February 30
- 13The One Who Spoke
- 14Responsibility That Could Not End
- 15The End of February 30
Kang Minseo
Yoon Sea
Han Soi
Namgung Hyuk
Choi Moongyu
Oh Jihoon
Namgung Minhyuk
Lee Yeonhee
you