In episode 13 of Channel A’s ″Heart Signal 5,″ Park Woo-yeol reveals a charm like that of a ″large dog″ in front of Kang Yoo-kyung.

According to a video previewed by the production team, after finishing their dinner date, Kang Yoo-kyung naturally sat next to Park Woo-yeol upon returning to the ″Signal House.″ When Kang Yoo-kyung asked, ″Oppa, why is your face so red? Did you drink?″ Park Woo-yeol showed jealousy by asking, ″Yoo-kyung, what did you do today?″ and showed a caring side by saying, ″Do you want some milk?″ to Kang Yoo-kyung who was eating bread.

The two were left alone in the living room, looking at each other and continuing the atmosphere. Park Woo-yeol asked again, ″What did you do today?″ and Kang Yoo-kyung replied, ″I went to an LP bar. Oppa, you went to work out, what did you do?″ Park Woo-yeol cutely complained, ″I was bored. Someone went on a date,″ and Kang Yoo-kyung burst out laughing. Then Park Woo-yeol leaned in close to Kang Yoo-kyung and whispered in her ear.

Watching this scene, the ″Celebrity Prediction Team″ applauded as Yoon Jong-shin said, ″Now Woo-yeol finally seems his age,″ and Roy Kim admired the changed appearance, saying, ″When did Woo-yeol become like that (a large dog)?″

On the broadcast, Park Woo-yeol worried about Kang Yoo-kyung, saying, ″Did something happen today? Your expression seems a bit off from usual.″ Kang Yoo-kyung replied, ″I just feel like I’m being watched,″ and Park Woo-yeol immediately apologized, saying, ″I was wrong.″ Kang Yoo-kyung smiled again upon seeing Park Woo-yeol’s reaction.

Meanwhile, ″Heart Signal 5″ ranked first in ″TV Non-Drama Popularity″ and Park Woo-yeol and Kang Yoo-kyung took first and second place respectively in ″TV Non-Drama Cast Popularity,″ according to the Fundex Chart compiled by Good Data Corporation for the first week of July. Episode 13 of ″Heart Signal 5″ will air at 10 PM on the 7th.