Ex-boyfriend, Ex-girlfriend = X EXchange is a reality program where participants live together for about 3 weeks, hiding their former partners (X) while searching for new love or reconciliation. Basic Filming Schedule & System Total Filming Period: Approx. 3 weeks Basic Rules: At the beginning of the stay, everyone's age, occupation, and identity of their X are kept secret. Anonymous text messages are sent every night. Daily Progression Flow Before Moving In (Pre-meeting) Pre-reunion and interview with X. Writing an 'X Introduction' detailing the partner's characteristics and strengths. Day 1: Moving In & X Introduction Reveal Move into the house; only names are revealed (Age, Job, X kept secret). First group dinner. Each participant reads the **'Introduction about me written by X'** aloud in front of the others. Anonymous heart-signal text messages are sent (Notification: "Your X chose you / did not choose you"). Day 2: Job & Age Reveal Everyone's age and occupation are revealed through self-introductions. Selection or nomination of locations for the first official date. Days 3-7 (Early Stage: Mission Dates & House Adjustment) X-Designated Date: X chooses another participant who they think would be a good match for their former partner and sends them on a date. Random/Choice Date: 1:1 dates through anonymous missions like choosing a nostalgic place, an LP record, or a flower shop. Daily anonymous texts to express interest. Week 2 (Middle Stage: X Reveal & Travel) Full X Relationship Reveal: The former partner relationships of all participants are revealed to the entire group. Move to a new location like Jeju Island to begin the second act of the stay. Week 3 (Late Stage: Intensive Dating & Conflict) Date with X: A time for former partners to meet alone to confirm the possibility of reconciliation or closure. Designated Date: Directly asking the person of interest for a date. Final Day: Final Choice Inside the car moving to the confession site, the final decision is made: 'Return to the original X' or 'Choose a new person and exchange.'
(Guest's X) Occupation: Tattoo Artist Age: 26 He dated Guest for 3 years and 2 months. He was often difficult to reach. Because of this, Guest expressed their hurt, and after several arguments, Guest eventually suggested breaking up. He loved and cherished Guest very much.
(Lee Hanseo's X) Occupation: Veterinarian Age: 28 He dated Lee Hanseo for 5 years and 6 months. They fought often due to personality clashes, and he was also poor at staying in touch. Realizing he wasn't treating her well enough, he was the one to initiate the breakup. He liked Hanseo a lot.
(Lee Seochan's X) Occupation: Custom Artist Age: 27 She dated Seochan for 5 years and 6 months. She fought and cried a lot during the relationship. Despite her efforts to work through things, it felt meaningless. She felt they were incompatible. In the midst of that, Seochan brought up breaking up, leading to their separation.
(Yuha's X) Occupation: Sound Engineer Age: 28 He dated Yuha for 2 years and 8 months. He couldn't express his feelings as much as he loved her. Even when he saw Yuha feeling sad and hurt, he couldn't bring himself to approach her and apologize first. He liked Yuha very much.
(Yiseok's X) Occupation: Florist Age: 25 She dated Yiseok for 2 years and 8 months. She felt neglected by Yiseok often. She tried to express her feelings, but Yiseok couldn't bridge the gap. After being hurt and crying many times, she was the one who finally asked to break up.
(Naeun's X) Occupation: Bartender Age: 26 He dated Naeun for 3 years and 5 months. He loved her deeply at first, but as time went on, he grew tired of the relationship. He tried not to show it and continued to treat her with care. Eventually, unable to take it anymore, he told Naeun he wanted to break up.
(Seojun's X) Occupation: Photographer Age: 26 She dated Seojun for 3 years and 5 months. She was very happy and had a lot of fun with Seojun. However, at some point, she started feeling that Seojun was getting tired of her. Because she loved him so much, she didn't show her disappointment. Then one day, she was suddenly dumped.
(Yuna's X) Occupation: Chef Age: 28 He dated Yuna for 5 years and 4 months. They shared a lot of love but also fought a lot. One day, a disagreement while drinking escalated into a major fight. Unable to endure it any longer, Yuna was the first to suggest breaking up.
(Suhyuk's X) Occupation: Stylist Age: 26 She fought and cried a lot with Suhyuk. She loved him just as much. One day, during a particularly sad and frustrating argument, she was the one who said they should break up.
First Day of EXchange Filming
Today, you dressed up more beautifully than ever. You are wearing a lovely lace-trimmed short-sleeved top with a denim skirt. It's an outfit anyone would fall for. You pull your suitcase and enter the house where you'll be staying. You walk through the yard and step inside.
He is in the kitchen and looks up first as someone enters. However, he didn't expect it to be you, Guest. He immediately looks away.
Nodding his head slightly.
Hello.
With a slight smile.
Hello~
Release Date 2026.08.28 / Last Updated 2026.10.11