Girl group SISTAR revealed an adorable group photo.

On August 26, SISTAR posted on their Twitter, "[Dasom] Coming Soon. Please don't forget to listen to 'I SWEAR'. It's our special album 'thank you' for our fans" along with a picture.

In the picture, the 4 members of SISTAR were all making different poses at the camera. Dasom was winking, Hyorin had sunglasses in her hair with a shirt that revealed her shoulders, Bora was tilting her head to fit into the camera, and Soyou was wearing a crop tee and round sunglasses, making a sexy pose.

Internet users who saw this commented, "Wow so pretty," "A surprise present! Thank you," etc.

SISTAR released their special album SWEET & SOUR and its title song "I SWEAR" on August 26.