Girl group SIS showed off their enhanced visuals.

On last 25th, SIS released their third single 'Always Be Your Girl' album cover image through an official SNS channel.

The public image shows SIS wearing a school uniform, showing its freshness and purity, which is 180 degrees different from the original freshness.

SIS unveiled their individual teaser images sequentially from the group concept of "I'll Be Your Girl" from the 26th of this month and raise expectations about their comeback.

SIS introduced the concept of six magician girls, plans to reach the public with a message that it wants to be your girl anytime, anywhere.

SIS's new song, "I'll Be Your Girl," will be released on various music websites at 6 p.m. on March 6.