JTBC’s “Good Boy“ reveals the origins of the love triangle between Park Bo Gum, Kim So Hyun, and Lee Sang Yi in new stills. The drama flashes back to their time in the athletes’ village, where their complicated relationship first began.
The Love Triangle’s Start in “Good Boy”
The upcoming episode of “Good Boy” will show how Kim Jong Hyun (Lee Sang Yi) first grew resentful of Yoon Dong Joo (Park Bo Gum). The tension between them started years ago when they were all athletes. New stills show Yoon Dong Joo smiling brightly, likely after a victory, while Ji Han Na (Kim So Hyun) watches him with a fond expression. Kim Jong Hyun, however, looks on with a hardened face, hinting at his growing jealousy.
The drama follows former national athletes who become police officers through a special recruitment program. They leave behind their sports careers to fight corruption and injustice. The love triangle adds emotional depth to the action-comedy plot.
Fan Reactions to the New Stills
Fans of the drama have been sharing their thoughts online after the stills were released.
“Park Bo Gum and Kim So Hyun look so cute together! I can already see why Lee Sang Yi’s character would be jealous.”
“This backstory makes the rivalry between Park Bo Gum and Lee Sang Yi even more intense. Can’t wait for the next episode!”
“Kim So Hyun’s expressions are always so perfect. She really makes you feel her character’s emotions.”
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Where to Watch the Stars
While waiting for the next episode of “Good Boy”, fans can watch Park Bo Gum in his music talk show “The Seasons: Cantabile of Park Bo Gum” on Viki. The show features live performances and interviews with musicians.
Kim So Hyun recently starred in the romantic drama “Serendipity’s Embrace”, which ended its run in August 2025. The series was praised for its sweet portrayal of first love.
Also read: Park Bo Gum Releases Emotional Soundtrack “Waterfall” for Hit Drama ‘Good Boy’
“Good Boy” airs every Friday at 10:30 p.m. KST on JTBC. The next episode will dive deeper into the past of the three main characters.
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