BTOB's member Yook Sungjae revealed a self-camera photo.

On January 14, Yook Sungjae posted on his Instagram, "I'm sorry. It's not today. I heard it's going to be released with the music video on the 16th. Please forgive me with these pictures" along with a picture.

In the picture, Yook Sungjae has brown hair and is frowning and then smiling at the camera.

Internet users who saw this commented, "His smile is so cute," "The hairstyle looks good on him," etc.