On August 1 KST, the main poster for the new JTBC entertainment program, 'Couriers in Mongolia', was released. The poster features best friends Kim Jong Kook, Jang Hyuk, Cha Tae Hyun, Hong Kyung Min, and Hong Kyung In as well as the youngest member Kang Hoon, who is 15 years younger than the rest of the group, embarking on a delivery trip to Mongolia.

The main poster depicts the members all enjoying their courier trip in Mongolia. They are seen sitting side by side on a four-wheel drive vehicle commonly used for off-roading in Mongolia. The image showcases their camaraderie and the sense of freedom they experience during their journey.

'Couriers is Mongolia' is set to premiere on August 18 at 11 PM KST.