Channel A's 'Heart Signal 5' will broadcast its final episode at 10 p.m. on the 21st, revealing the residents' final choices and true feelings.

The trailer released ahead of the finale showed the residents spending their final moments together. From taking a group photo on the rooftop to sharing a meal at a restaurant with a view of Namsan, sincere emotions poured out.

In particular, Kim Seo-won shed tears over unexpected emotions, and Choi So-yoon comforted him warmly from his side. At the dinner table, Kim Min-ju confessed to Kim Sung-min, 'You were the person who gave me the greatest happiness and pain.' Choi So-yoon asked Kim Seo-won, 'Did you only think of me as a close older sister?' to which Kim Seo-won replied, 'There was always an older sister in my life,' drawing everyone's attention.

Jung Jun-hyun conveyed his true feelings to Kang Yu-kyung, saying, 'The letter — I knew right away it was from you. It's simply because I like you,' and Kang Yu-kyung was overwhelmed with emotion and shed tears. Then, Park Woo-yeol also expressed his feelings to Kang Yu-kyung, saying, 'I've decided not to have any regrets anymore. Because I have the courage to like you with all my best.' However, Kang Yu-kyung showed regret, saying, 'There's something I want to say — I wish I had the chance to say it.'

With the final choice ahead, the residents each made phone calls to their chosen partners, pouring out passionate confessions. Kim Min-ju said, 'For this past month, it feels like you were everything to me,' while Kim Sung-min reflected on the time they shared, saying, 'Because we exchanged feelings with each other.' Choi So-yoon revealed her feelings, saying, 'In my eyes, you were the most attractive.'

Kang Yu-kyung confessed her complex emotions, saying, 'I really thought about it a lot and even denied it a lot,' while Park Woo-yeol and Jung Jun-hyun each delivered their conviction, saying, 'My final choice is you.' Then, Kang Yu-kyung conveyed her heart to someone, saying, 'Come quickly,' and 'No matter what, I think it's you. I like you.' Kim Seo-won said, 'I always thought I would give my all sincerely,' and Choi So-yoon said, 'I hope my heart also becomes a great source of courage for you.'

• Meanwhile, 'Heart Signal 5' proved its formidable buzzworthiness on the Good Data Corporation Fundex Chart for the second week of July. The specific results are as follows:
• 3rd in TV non-drama buzzworthiness, 5th in TV-OTT non-drama buzzworthiness (maintained top 5 for 7 consecutive weeks)
• 1st in the TV Tuesday non-drama category for 7 consecutive weeks, 1st in the TV-OTT non-drama search response category for 6 consecutive weeks
• 2nd in VON (netizen response), 3rd in the video category
• Cast member buzzworthiness ranking: Kang Yu-kyung (6th), Park Woo-yeol (7th)
• Interest level: 1st in the 20s and 40s demographics / 2nd in the 10s and 30s demographics / 1st in female interest

Viewers' expectations also reached their peak after watching the trailer. Viewers showed passionate reactions such as, 'This is the first time my heart has fluttered this much watching a romance program. My heart hurts,' 'Yu-kyung's narrative was the greatest emotional impact in the history of Heart Signal. Please let it be the final couple!', and 'I'm also so curious about Min-ju and Sung-min's final choice,' as they eagerly await the final broadcast.

The final confessions and final choice results of Channel A's 'Heart Signal 5' will be broadcast at 10 p.m. on the 21st.