Channel A 'Heart Signal 5' saw its final resident and 'meginyuh' Choi Soyoon enter, turning the romance dynamics of the Signal House upside down.

In episode 5, which aired at 10 p.m. on the 12th, new female resident Choi Soyoon joined, injecting tension. Choi Soyoon, a 26-year-old freelance graphic designer, appeared showing bold charm by saying "I decide my type in three seconds" and immediately picked Park Woo-yeol as her first date, surprising everyone.

On her date with Park Woo-yeol, Choi Soyoon showed an unreserved, straight-forward approach, even suggesting "let's drop honorifics," and the two continued a rapid-fire, 'tiki-taka' conversation, forming a high-speed love line that had them texting each other from the first day.

Meanwhile, Kang Yu-gyeong, who had enjoyed a date with Park Woo-yeol the previous day, faced a crisis. She had promised a 'movie date' while carpooling in the morning, but after Choi Soyoon's arrival she felt uneasy about Park Woo-yeol's attitude and eventually broke down in tears.

Kang Yu-gyeong said, "I've been trying not to feel affection for Woo-yeol, but it's so hard," voicing her frustrated feelings, and watching this, Kim Min-ju encouraged her warmly, saying, "The situation can change at any time. Go win Woo-yeol! Be proactive."

The other residents' love lines are also shifting.

Kim Seo-won and Jung Gyu-ri formed a sweet vibe through carpooling, texting each other for two consecutive days and solidifying their 'mutual liking.' Kim Min-ju felt hurt when Kim Seong-min handed her vitamins instead of medicine when she was sick and at one point texted Kim Seo-won, but the next day she conveyed her feelings to Kim Seong-min again, showing roller-coaster emotions. Kim Seong-min, regardless of Kang Yu-gyeong's worries, sent consistent messages directed solely at Yu-gyeong.

With all eight residents revealed, they are preparing for a winter trip to Tokushima, Japan, foreshadowing another romance upheaval.<

[Photo] 'Heart Signal 5'

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