Group FTISLAND's Lee Hong Ki revealed his black charisma.

Today, Lee Hong Ki posted on his Twitter, "I'll be back" along with a picture.

In the picture, Lee Hong Ki wore a black padding jacket, black hat, and sunglasses, revealing his charisma. He is showing one of his eyes through his sunglasses.

Internet users who saw this commented, "Unique fashion style," "The sunglasses look good on you," "His facial expression is so cute."

Photo Credit: Lee Hong Ki Twitter