Group Girl's Day revealed their swimsuit fashion that will be revealed in their new song "RING MY BELL" music video.

"Girl's Day's 2nd album 'RING MY BELL' music video concept release!," posted agency Dream T Entertainment on Thursday along with a picture.

In the picture, the four members of Girl's Day are wearing black and white swimsuits, showing off their sexy figures.

"The cool summer swimsuits will match the hot summer. It will help a lot of people fighting the heat of the summer," said one representative.

Girl's Day will be releasing their 2nd album LOVE and its title song "RING MY BELL" on July 7.