Singer Park Ji Yoon revealed the first teaser of her new single album, set to release on July 10.

On July 4, Park Ji Yoon's agency MYSTIC89 posted the first teaser image through Park Ji Yoon's official Facebook page and MYSTIC89's official Twitter account.

Park Ji Yoon had previously posted a passport teaser image with title song "YOOHOO" and release date "2014.7.10".

The first teaser image revealed also revolves around the theme of a journey. The teaser image shows a passport picture with Park Ji Yoon's short biography with pictures of Park Ji Yoon on a journey.

Park Ji Yoon has collaborated with MYSTIC89 to produce season single albums.

Last fall, Park Ji Yoon successfully returned to the K-Pop scene with "Mr. Lee", going on to release her winter single album Inner Space.

Her summer album, to be released on July 10, is Park Ji Yoon's third album project. Title song "YOOHOO" is a song that is perfect for the summer season.