Ji Eun�hinted that�SECRET�will be showing a more mature image for their upcoming comeback through a behind-the-scenes photo!

SEE ALSO: SECRET's Hyosung takes a lonesome stroll on the beach in individual CF teaser for 'I'm In Love'

Fans got a sneak peek of Ji Eun's scene as if they were monitoring the music video filming on set. Although you can't see anything but her face, her sorrowful eyes hint that the girls will be taking a different route from their previous cutesy "I Do I Do" promotions with the portrayal of an emotional love story.

SECRET have already kicked off their advertisement and TV CF promotions for their comeback and will return with their 5th mini album 'SECRET SUMMER' on August 11!