On September 28 KST, Jang Geun Suk posted several photos on his personal Instagram with the caption, "Running #run."

In the photos, Jang Geun Suk was seen riding the Seoul subway train. Despite wearing a mask, he could not hide his handsome visuals. In response to Jang Geun Suk's post, fans commented on his Instagram, "Where are you going?", "Take me too!", "You also ride the subway?", "Wow, so handsome," and more.

Meanwhile, Jang Geun Suk is scheduled to release his Japanese single "Day By Day" on October 15.