Singer Se7en revealed a self-camera photo full of his charisma.

Se7en posted on his Twitter, "Be careful of the flu," along with a picture.

In the picture, Se7en is wearing a mask over his mouth, glaring at the camera. This revealed his bold charisma, catching much attention.

Internet users who saw this commented, "You be careful too", "Even though he covered half of his face, his charisma went no where" and "Take care of your body, you're going to the army soon."

Se7en is planned to start his army duty on March 19.

Photo Credit: Se7en Twitter