Coach Park Hang-seo makes a bold move, posting a photo from the past that made his assistant blush.

Coach Park Hang-seo delighted netizens by posting a humorous photo "teasing" his assistant Vu Anh Thang on his birthday. The witty exchange between the two quickly went viral, attracting thousands of interactions.

On January 29th, on his personal page with over 200,000 followers, coach Park Hang-seo unexpectedly posted a birthday greeting for his close assistant, Vu Anh Thang. However, what caught the attention of netizens was not just the greeting, but also the photo that Coach Park chose to post alongside it.

Instead of choosing a serious moment on the football field, the South Korean strategist "dug up" a photo of Vu Anh Thang from 2013. In the photo, the assistant coach has long, romantic hair dyed a striking golden-brown color, a youthful face, and a somewhat naive expression. The image, both cute and humorous, quickly created a strong impact, garnering over 11,000 interactions in a short time.

Not long after, the person in question had to "speak up" in the comments section with a mix of amusement and exasperation: "Teacher, I've been proud my whole life, but could you please choose a different picture?"

The polite yet humorous response delighted netizens. Many believe this was Coach Park's sweet "revenge" on his language assistant after being teased earlier.

Specifically, on January 24th, after the Vietnam U23 team defeated South Korea U23 to win third place at the 2026 AFC U23 Championship, Vu Anh Thang posted a photo of himself with Mr. Park Hang-seo. Accompanying the photo was a caption expressing his excitement, quickly attracting over 100,000 interactions. At the time, many jokingly commented that the post had a "sarcastic undertone" because South Korea is Mr. Park's homeland.

Vu Anh Thang is a long-time language assistant to coach Park Hang-seo during his time leading the Vietnamese national teams. Born in 1992, Anh Thang is fluent in three foreign languages: Korean, French, and English. Beyond translation, he plays a crucial role in connecting and accurately conveying tactical intentions between the coaching staff and the players.

During Park's tenure, Vu Anh Thang gained attention online for his bright appearance and confident demeanor. He is a former student of the French specialized class at Hung Vuong High School for the Gifted (Phu Tho), graduated from the French Department of Hanoi University, and holds a bachelor's degree from Dongshin University (South Korea), specializing in Junior TESOL.

Besides working as a language assistant, Anh Thắng currently holds the position of CEO of a Korean language training center. This diverse work allows him to maintain extensive connections in both the education and sports fields.

Sharing his thoughts about his famous coach, Vu Anh Thang once said that Coach Park Hang-seo is hot-tempered but very affectionate. He is strict and extremely professional at work, but off the field he is quite cheerful and humorous. This clear distinction helps the team maintain high discipline while still keeping a relaxed atmosphere.

Although Coach Park Hang-seo is no longer the head coach of the Vietnamese national team, the relationship between him and Vu Anh Thang remains very close. On social media, the two often share everyday moments, from private meetings to memorable anniversaries.

This "embarrassing photo" post wasn't just a joke; it also showed the close and affectionate relationship between Coach Park Hang-seo and his language assistant, Vu Anh Thang – a relationship that goes beyond work, is deeply rooted in the teacher-student dynamic, and is full of humanity.

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