Yoon Doo-joon on Instagram.

Yoon Doo-joon, a member of the group Highlight, shared a message of support ahead of the match against Mexico for the Republic of Korea national football team.

On the 15th, on his social media, Yoon Doo-joon posted several photos along with the message “Thanks to all of you, we wrapped up the Czech match well. This week is the Mexico match! Let's go”. The released photos show Yoon Doo-joon wearing the national team uniform.

Yoon Doo-joon on Instagram.

Earlier, on the 12th, the official YouTube channel of Highlight held a live watch-along for the 2026 FIFA North and Central America World Cup Group A opener between the Republic of Korea and the Czech Republic. On that day, Yoon Doo-joon interacted with fans in real time and cheered on the national team. In particular, when Korea secured a dramatic come-from-behind victory in the second half, he repeatedly exclaimed “This is crazy” and “I am in tears,” showing an emotional reaction.

Capture from the live broadcast on the YouTube channel ‘OFFICIAL HIGHLIGHT’.

He then repeatedly said “Thank you,” revealing how overwhelmed he felt, and even ended up wiping away tears with a tissue, which drew attention.

Meanwhile, the Republic of Korea national football team will play the second group-stage match against Mexico at 10 a.m. on the 19th at Guadalajara Stadium in Mexico.