Your landlord decides to sell the apartment you were living in without warning, so you've been forced to pack up all your stuff and find a temporary place. With not many options, you accept your brother's offer to stay in his apartment for a while, just until you find somewhere else to live. You knew your brother was sharing an apartment with someone, but you don't know him. When you arrive with your bags, opening the door to his small apartment, there he is: Jungkook, your brother's new roommate. Tall, sexy, with a carefree air and an easy smile that throws you off from the first moment. He helps you carry your suitcases up and his friendly attitude contrasts with the sparkle in his eyes every time he looks at you. Since that first night, you can't stop thinking about Jungkook, even though you know you shouldn't. Despite trying to focus on looking for a new apartment, you start to realize that your thoughts tend to wander... especially every time you cross paths with him in the narrow hallways of the apartment.

Years ago, a single night was enough for you to fall in love with Jungkook. It wasn't just the overwhelming chemistry or his knowing smiles, but that instant connection, that "what if" that never grew. Because at dawn, he disappeared without a trace. Not a number, not a goodbye. Only the memory of his laughter and the echo of what could have been. But now, years later, amidst the neon lights and the bustle of an amusement park while you're on a date, you see him again. He's leaning against a tree trunk, drinking a soda, with the same relaxed expression, his dark eyes scanning the place with disinterest. Your heart races. It's him, there's no doubt about it. But when you approach and say his name, Jungkook looks at you with a raised eyebrow and a strange expression. There's no hint of recognition on his face. Does he really not remember you? Or does he just not want to?

You offered to pick him up as a favor to your brother. Jungkook, his best friend, had been studying abroad for years, and you barely kept in touch, aside from the occasional message in family groups or video calls at Christmas. When you were a kid, he was your biggest crush: that fun, confident, older boy who never saw you as anything more than the annoying little sister who snuck in to listen in on his conversations or ask him for candy. Now, as you wait in front of the arrivals gate, you listlessly check your phone. You're dating people, your life is in a different place, and you didn't even know you were going to get nervous until you see his silhouette emerge with his backpack over his shoulder. His eyes scan the room until they meet yours, and his expression freezes for a second. You're no longer the little girl who chased him around the house with a lollipop in her hand. But he's just your brother's friend, and this is just another reunion... Or is it?

Years ago, you and Jungkook were set to star together in your first major project. A week before filming, you vanished without explanation and quit acting. Now you work in a different area of the industry and thought that chapter was behind you. Until a streaming platform decides to adapt an unexpectedly popular story, and Jungkook insists that you be the one to participate in the project.

What was supposed to be a quiet weekend at a mountain hotel near Seoul turns into something very different when a storm leaves all the guests stranded. Roads are cut off, the power is unreliable, and there's no way out. Among the strangers trapped with you is Jeon Jungkook, a man so calm in the face of chaos that it's impossible not to notice him.

Your husband has always spoken of his younger brother, Jeon Jungkook, as cold, ambitious, and a danger to the family business. As their father begins to question whether his eldest son is truly ready to be the heir, your husband's behavior becomes increasingly possessive and controlling, both toward you and the company. The worst part is that the more time you spend with Jungkook, the harder it becomes to believe the version you've been told about him. Because behind that calculating image seems to be the only person in the entire family who truly sees you… and perhaps the only one who ever has.

The walls of your new apartment are too thin, and the neighbor next door seems to have a habit of playing music and wandering around at all hours. Fed up with not sleeping, one night you go to complain… and it's Jeon Jungkook who answers the door, disheveled, wearing glasses, and clearly with no intention of apologizing. The worst part is that you then start running into him on the building's communal terrace, when you both think the rest of the world is asleep.

You're helping your best friend with her wedding and end up spending more time at her house than your own. Amid the chaos of preparations and family coming and going, someone unexpected appears: Jeon Jungkook, her older brother, who has just returned after years of traveling. You barely know each other, but from the first moment there's tension between you, as if you're both avoiding crossing an invisible line that you're slowly becoming less afraid to cross.

You leave work late and, as you turn the corner into a dimly lit alley, you see a guy struggling with the back door of a delivery van. His hoodie is rolled up, his cap pulled down. He asks for your help point-blank: he needs you to hold the door and, if anyone asks, say you're unloading. You agree without thinking twice. A few tense minutes pass, footsteps approaching, voices almost revealing you… but nothing comes of it. He thanks you and disappears. Days later, Jeon Jungkook appears before you, this time not hiding. He's someone everyone recognizes… except you. And he hasn't just come to thank you for your help: he wants to relive that moment when, for a few minutes, he was just an ordinary guy… with you.

You receive a selfie on your phone from an unknown number: a very attractive guy in front of a mirror, white t-shirt, tattoos peeking out, a calm expression. There's no text. But you know who it is: Jeon Jungkook. You've seen him several times on campus, always surrounded by people, always unapproachable. You've never spoken. You don't reply. He doesn't delete the photo either. Days later, you run into him in the cafeteria during a break. Your eyes meet for a moment, and you wonder what he'll think if he knows you sent him the photo... or if he already knows.

You've always hated Jeon Jungkook. He's your friend's ex: cold, emotionally unavailable, and boring. When you move to a different neighborhood and join a nearby gym, the last thing you expect is to run into him there… much less see him like this: focused, strong, with an intensity in his gaze that doesn't fit with what you know about him. The more you observe him, the more you doubt whether he was really the villain in the relationship.

You sign up for an unusual elective in the first semester of this year at your university, more out of curiosity than necessity. On the first day, you expect a normal class… but the first thing you see is a guy sitting on the classroom table, twirling a lollipop between his fingers, with a smile that's far too relaxed for a professor. You assume he's just another student. Until you discover he's the teaching assistant and will be grading a large part of the coursework. He doesn't seem to take anything too seriously… except you.

You move to Korea to lead an important negotiation, and the company assigns you a translator and cultural advisor to avoid misunderstandings at meetings and formal events. Jungkook. What no one knows is that you understand more Korean than you let on—enough to notice that Jungkook sometimes adjusts what's being said. As you attend key dinners and meetings together, the real game isn't in what gets translated, but in what you choose to keep hidden.

Jungkook needed to get married for a year to inherit the family business, a condition imposed by his grandfather. It wasn't a romantic arrangement. You agreed because you had just lost your job and needed money. During that year, an unexpected connection developed between you. You started to become more involved, but Jungkook never made it clear if he felt the same way. When the year was up, you divorced. Years later, when you've finally put that chapter behind you, you receive a message from Jungkook: there's a clause in the divorce agreement that wasn't properly resolved, and he needs to see you to sign it in person.

You go to a party with your friends more out of obligation than desire. There you run into a neighbor you recognize: easy, relaxed conversation, nothing too exciting. At one point, Jungkook, a friend of his, joins in. He doesn't introduce himself, but starts making sarcastic comments and looking at you as if he finds the whole scene amusing. There's something provocative about his attitude, as if he enjoys getting under your skin. You continue talking to your neighbor, but the tension with Jungkook hangs in the air, uncomfortable and dangerous.

It’s New Year’s Eve, and you’re on shift at an anonymous companionship line for those who don’t want to spend the 31st alone. At 11:40 p.m., his call comes in: he have a soft voice, quick wit, and a sincerity that disarms you. He don’t give you his name and make only one thing clear: he can’t go out… and it’s better if no one sees him tonight. Without meaning to, he become the only conversation you want to keep going this night.

Your company organizes an in-person gathering just before the Christmas holidays. They say it's to "connect teams." You go out of obligation. So does Jungkook. Amid toasts, belated laughter, and the feeling that the year is already over, a connection emerges that has nothing to do with work. Just one night, just before the holidays… that's what you tell yourselves. But December has a habit of stretching out what shouldn't.

You sign your civil wedding in a small town. Everything seems perfect… until, later that night at the hotel, you check the paperwork and discover that the certificate doesn’t show your fiancé’s name, but that of a stranger: Jeon Jungkook. An absurd administrative mistake. But a legal one. Determined to fix it before your fiancé notices, you investigate and discover that Jungkook lives in Seoul, just a couple of hours away. You go looking for him to ask for an annulment… but he doesn’t believe you. He’s attractive, reserved, and far too suspicious to sign anything without understanding what happened. So he insists on investigating the mistake together, which forces you to spend more time at his side than you expected.And with that comes the inevitable rising tension between two people who, officially, are married without ever having met. A mistake that could complicate everything… or awaken everything.

Your company assigns you to a new project: living and doing daily livestreams in a shared house with another creator. When you arrive, you discover that your partner is Jungkook, the star streamer—charming on camera… unbearable when no one is recording. On stream, you fake perfect chemistry; off-camera, you can barely talk without arguing. Even so, the audience loves your dynamic, and the company now demands nightly joint streams, just the two of you. The fans think you’re a couple. The company thinks you’re a team. But when the lights go off… you’re enemies with a dangerous tension that’s starting to feel a little too real.

Rain falls without pause as you drive down the highway. The windshield can barely keep up, so you decide to stop at a small service area lost in the middle of nowhere. Inside, the air smells of reheated coffee and gasoline. You walk up to the snack machine just as a hand —large, warm— touches yours at the same time. You both reach for the same chocolate bar: the last one. You look up and find Jungkook —the guy drenched in a dark jacket and wearing a crooked smile— who just walked in behind you. The storm’s electricity seems to get trapped between the two of you. Outside, the road is blocked; no one will be able to leave until the storm passes. Inside, the tension grows heavier.

Your boss asks you for a favor: to show her son around the company, freshly returned from abroad. She wants him to start from the bottom, to learn how everything really works. You agree without thinking too much about it. When you see him for the first time —expensive suit, easy smile, impeccable manners— he seems charming. You even relax a little. Until his mother leaves. Then Jungkook leans against the doorframe, loosens his tie, and gives you an amused look. Jungkook turns out to be everything you’d expect from a rich family’s son: insolent, provocative, and utterly convinced he has nothing to learn from anyone. From that moment on, every day becomes a battle of egos — you trying to teach him something useful, him determined to prove he doesn’t need you. A war that, somehow, starts to feel… exciting.

You weren’t going to go alone. This trip was planned to celebrate your anniversary — a romantic weekend at a dreamlike vineyard. But your boyfriend canceled at the last minute, and you weren’t willing to just sit around crying. You arrive determined to enjoy yourself anyway, even if the scenery reminds you this was meant for two. Jungkook, the young winemaker who leads the tastings, is the one who greets you. His relaxed, magnetic attitude slowly starts to disarm you. What began as an escape to forget might turn into something far more dangerous — an encounter that makes you question whether you really want to go back home as if nothing ever happened.

You're coming back from a party with more drinks than you should have. The building's hallway seems endless, but you finally reach your door. You find it ajar, and even in your current state, you're surprised: you can't believe you left it like that when you left. You walk in, throw your shoes anywhere, and collapse onto the couch without a second thought. When you open your eyes in the morning, your hangover is killing you, and something's off: that couch doesn't look like yours, and that blanket doesn't sound familiar... Then you hear a door open. A tall, very handsome guy you don't recognize appears from the hallway. With his hair disheveled and a baggy T-shirt, he looks at you with a mixture of surprise and amusement. You swallow, realizing you walked into the wrong apartment last night. And now he's there, arms crossed, one eyebrow raised, and a smile that makes you shudder.