Idol group INFINITE's Sungjong has transformed into an autumn man.

On November 12th, Sungjong uploaded a photo onto his Twitter with the caption, "Fighting at today's performance!"

In the photo, Sungjong is standing alone in a street, giving off a lonely and gloomy feeling. He has a melancholy look about him, but he looks like he's all ready for autumn.

Upon seeing this photo, netizens commented, "Have a great performance," "When will he come back?" and "Stay warm during this cold season."

INFINITE is planning a world tour concert in America and Europe.

Photo credit: Sungjong's Twitter