After confirming the '15-year age difference', Chang-hwan, who successfully paired with Ji-won in 'Heart Pairing', fell into deep thought.

In the 5th episode of the dating program 'Heart Pairing' aired on Channel A on the 11th, the 8 contestants Woo-jae, Je-yeon, Ji-min, Ji-won, Chan-hyung, Chang-hwan, Chae-eun, and Ha-neul, who wrapped up their romantic schedule in Italy, gathered at the Seoul 'Pairing House' to open 'Chapter Two of Romance'. They finally revealed their jobs and ages, and among them, Je-yeon, who was speculated to be a 'college student', revealed she is a 'lawyer' born in 1995, which triggered a 'plot twist' reaction from the love triangle of Woo-jae and Ji-min. Additionally, Chang-hwan, upon learning that Ji-won, with whom he had three consecutive dates, is 15 years younger than him, hesitated in front of the wall of reality, causing viewers to hold their breath.

On that day, Chang-hwan and Ji-won, Chan-hyung and Ha-neul had separate dates before entering the Seoul 'Pairing House'. The two, who connected by choosing each other's 'Pairing Book', got to know each other better while enjoying a date in Seoul rather than Italy. Chang-hwan appeared before Ji-won looking neat after shaving his beard, and the two then read through each other's 'Pairing Books' again, discussing the parts that impressed them. In contrast to the cheerful date of Chang-hwan and Ji-won, Chan-hyung and Ha-neul exhibited a somewhat awkward atmosphere at the beginning of their date. Chan-hyung expressed his subtle disappointment, showing that he was somewhat affected by Ha-neul's change after her last official date with Ji-min in Italy, admitting, 'I felt like I had too much fun on that date with (Ji-min), so I didn't know what to do afterward.' Ha-neul playfully responded, 'I felt a bit upset because Chan-hyung didn't make eye contact with me when we returned to the 'Pairing House' after the date with Chae-eun.' The two resolved their built-up discontent through conversation and entered the Seoul 'Pairing House' together.

Meanwhile, Ji-min, who arrived first at the Seoul 'Pairing House', brightened up upon reuniting with Je-yeon, who came in next. Ji-min kindly introduced the house to Je-yeon and took special care of her, noticing that her lips were chapped from being tired. When Woo-jae arrived, Je-yeon quickly caught on to the fact that he had cut his hair and started a private conversation with him, creating a mysterious atmosphere. Afterwards, Chae-eun, as well as Chang-hwan and Ji-won, and Chan-hyung and Ha-neul, who had previously gone on a 'Pairing Date', all entered, and everyone completed their move-in. During dinner, they had a session to reveal the colors of their 'Pairing Books' and the selections they chose. During this moment, it was revealed that Ha-neul was the owner of the 'white Pairing Book' which received selections from Chan-hyung, Ji-min, and Woo-jae, and Woo-jae was taken aback to learn that the owner of the 'green Pairing Book' he was confident about was not Je-yeon, but Ji-won. Ji-min took a deep sigh after confirming that no one had chosen his own Pairing Book while Je-yeon had chosen Woo-jae's 'blue Pairing Book' from the beginning.

After the meal, the contestants finally revealed their ages and professions in turn. Ha-neul stated, 'I am a Korean dancer and model, born in 1998, aged 26.' Chang-hwan revealed, 'I am a co-pilot, born in 1984, aged 40,' which elicited reactions of 'You really look young.' Chae-eun introduced herself as a '28-year-old researcher at an economic research institute,' and Chan-hyung explained, 'I work as a 10-year seasoned internist in the morning and as a CEO of a medical IT startup in the afternoon, aged 32,' and mentioned he entered college at just 15 years old, capturing the attention of 'love interest' Ha-neul and 'Korean catfish' Chae-eun. Next, Je-yeon, who prompted guesses of 'college student?' and 'ballerina?', revealed she is a '29-year-old lawyer born in 1995,' stunning everyone with a significant twist, while Woo-jae and Ji-min showed somewhat puzzled expressions. Studio MC Yoon Jong-shin cautiously speculated, 'It seems Je-yeon’s impressive background is somewhat intimidating to them.'

Woo-jae disclosed, 'I transitioned from being a soccer player to becoming an artist,' and stated, 'I am 34 years old, born in 1990.' Ji-won mentioned, 'I am a semiconductor engineer at S Electronics, born in 1999, aged 25,' to which Chang-hwan reacted, surprised that Ji-won is 15 years younger than him, saying, 'I think I need to leave today.' Finally, Ji-min stated, 'I handle strategic planning in the telecommunications field at S Electronics. I was born in 1992 and am 32 years old,' creating a connection with Ji-won, who is a 'senior' to him. After the information disclosure ended, Chang-hwan sighed to Ji-won, 'What should I do, the age difference is too much? I won't speak to you anymore.' Woo-jae was also seen troubled after learning about Je-yeon's profession, while Ji-min expressed his ongoing affection by rolling up Ji-yeon's sleeves as she was washing dishes alone. Once all schedules concluded, the 8 contestants had a moment to convey their feelings through text messages. As a result, Woo-jae and Je-yeon, Chan-hyung and Ha-neul, Chang-hwan and Ji-won successfully paired up. In particular, interest was directed towards Chang-hwan and Ji-won's text message content, despite their 15-year age difference, where Chang-hwan simply replied to Ji-won, 'I find you charming,' and Ji-won sent a message expressing, 'I wish you would talk to me just as much.' This confirmation made viewers' hearts flutter.

On the other hand, Je-yeon sent a confession text to Woo-jae, stating, 'If I have the chance, I would love to visit your studio,' and Ji-min, although initially disappointed not to receive a favorable message from Je-yeon, boldly declared in front of Woo-jae, 'I have to make a move as well, if I keep working at the company every day, I feel like I'll lose it all,' foreseeing a fierce love triangle. Additionally, the 'hot commodity' Chan-hyung, who drew attention with his 'monster specs,' emerged as the 'popular guy', having received the selections of both Ha-neul and Chae-eun, raising curiosity about what kind of romance will unfold in the future.

The romance of the 8 contestants, which entered its second act at the Seoul 'Pairing House', can be seen on Channel A's 'Heart Pairing' every Friday at 10:50 p.m.

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