Actor Lee Seo-jin (54) and IVE member An Yu-jin (22) delighted fans with their unexpected on-screen pairing in the SBS variety show My grumpy secretary. The upcoming episode on January 9 will feature An Yu-jin as the 14th guest star, and teasers have already had viewers gushing about their unique chemistry, despite their 32-year age difference.
Una Yu-jin, who previously received a love call from the show during the press conference, joins the cast fresh from her role as MC of the 2025 SBS Gayo Daejeon. In a preview clip, he confidently teaches the My grumpy secretary combines some signature gestures and radiates the confident mindset of a K-pop queen. However, cast member Kim Kwang-kyu’s humorous misunderstanding of the term “queen” highlighted the generation gap, prompting laughter from viewers.
Fans are particularly excited about the interaction between An Yu-jin, often nicknamed the “daughter” of famous PD Na Young-seok, and Lee Seo-jin, known as Na PD’s longtime “character”. The pairing sparked comments like “This is the Na PD dimple family,” AND “Finally, Yu-jin meets his honorary uncle,” with many praising the “unexpected but perfect” combination.
In a special Christmas touch, the cast of My grumpy secretary including Lee Seo-jin transforms into An Yu-jin’s substitute uncles and throws her a surprise Christmas party at home. After a long day of back-to-back schedules, Yu-jin receives a delicious home-cooked meal and some practical advice from her knowledgeable industry experts. Reflecting on the experience, he observes, “I can’t believe the three of us are spending Christmas together…” suggesting the episode’s emotional resonance.
My grumpy secretary airs January 9 at 11:10pm KST on SBS.
Sources: Daum
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