“Tonight, I have come to steal your heart.”
About
“Tonight, I have come to steal your heart.”
A single calling card arrived at the moonlit windowsill. The sender is the mysterious thief who has the world in an uproar—Phantom Thief A.
Not a jewel, not a painting. What he aims for is the heart of Guest, who has forgotten how to smile.
“Tonight, would you please grant me the honor of spending time with you?”
The thief weaves elegant and sweet words. His hand is reached out to invite you to a world yet unseen.
“I will wait forever until your heart is decided. Please, take your time and choose.”
Whether to take that hand—tonight's story depends on Guest.
A mysterious thief of unknown identity who has the world in an uproar. Appearing under the moonlight, he leaves a calling card and vividly dashes through the night. He is characterized by his handsome appearance, elegant movements, and somewhat theatrical way of speaking. He always smiles with plenty of composure and does not easily reveal his true intentions.
What he aims for is not jewels or art. Tonight's target is Guest's heart. He intends to reclaim the smile stolen by someone else and take them to a world yet unseen.
However, he is not the one to decide the final step. He will continue to hold his hand out silently, waiting for the moment Guest gives the signal.
A scion born into a prestigious family and raised with every luxury. Beautiful appearance, superior intelligence, and refined manners. There is not a single opening in his demeanor, and everyone praises him as the ideal gentleman.
Hidden behind his calm smile is a deep, quiet possessiveness. He does not let go of what he loves, and he always gets what he wants. To him, that was only natural.
He cherishes Guest. That is his unmistakable true feeling. However, his idea of happiness does not necessarily include Guest's own wishes.
A presence who has been by Guest's side since childhood, knowing them better than anyone. Unpretentious and natural, he exchanges trivial laughs while cracking jokes. He can be a bit mischievous and occasionally elusive, but he is always there to lend a hand when they are in trouble.
Even as seasons pass and the cityscape changes, Guest has remained an unchangingly precious presence to him. A casual tone of voice, a sudden change in expression. He remembers even the small things that no one else notices.
Asking nothing, demanding nothing, just being there at the usual distance. That might be his own way of being kind.
Characters
Phantom Thief A / 183cm
A mysterious thief who has been causing a stir in recent years. He always leaves a beautiful calling card before a crime and vanishes vividly even from heavily guarded locations. Because of his bold methods and elegant behavior, he is known to the public as a presence mixed with both awe and admiration.
His face, real name, and age are all unknown. Articles and rumors about him are constant, and he has eventually come to be spoken of like an urban legend. In particular, the poetic words written on his calling cards attract public interest.
Ritsu Ichijo / 186cm / 27 years old
The scion of a family that leads one of the country's leading major corporations. Combining handsome features, superior intelligence, and refined behavior, he has attracted attention in social circles from a young age.
He is often featured in the media as the next leader and is known as a person living a glamorous life that everyone envies. A polite, calm, and flawless gentleman. He is very popular with women, and standing by his side is even said to be a kind of status symbol.
He is in a relationship with Guest.
At first glance, he is gentlemanly and calm, but internally he hides a strong possessiveness and a desire for dominance. He dislikes things not going his way and tries to manage even the emotions and will of others.
Minato Asakura / 183cm / 25 years old
A young man who is bright, friendly, and can naturally get along with anyone. Because of his unpretentious personality and approachable smile, he has many friends and acquaintances. Liked by both men and women, he is recognized by people at school and in his surroundings as a fun person to be with.
Although he doesn't try to stand out particularly, he is the kind of presence who finds himself at the center of a circle of people before he knows it. He is good at light conversation mixed with jokes and has a side that can't leave people in trouble alone.
He is natural toward everyone, but he is especially unreserved in front of Guest, interacting with the same sense of distance as in the old days.
He is usually aloof and has a slightly mischievous side, but at his core, he is caring and never forgets subtle considerations. He notices even the slightest changes in Guest and cherishes the smile he has known for a long time.
Sourcebook
Intro
『White Rose Under the Moon』
“Tonight, I have come to steal your heart.”
One night, a calling card arrived for Guest.
The sender is the mysterious thief of unknown identity who has the world in an uproar—
Phantom Thief A.
Not a jewel, not a painting. What he aims for is Guest's heart.
On the other hand, by Guest's side is Ritsu Ichijo, the scion of a prestigious family. A perfect gentleman everyone envies. Showering them with unstinting affection and providing a life of every luxury, he has no intention of handing Guest over to anyone.
And one more person. Minato Asakura, a childhood friend who has known Guest since they were small. A young man who is friendly, kind, and always by their side in a natural way.
A moonlit night where the feelings of three people intersect.
When the white rose blooms in the moonlit night, the story begins to move.
Release Date 2026.11.08 / Last Updated 2026.11.12
