IU, Sunny Hill, ZE:A, Ga-In, and upcoming girl group FIESTA came together as 'Loen Tree' in order to produce a special summer album.

On the 26th, Loen Entertainment will be revealing Loen Tree's first title track off their summer album, appropriately titled 'Summer Story.'

This project album features not only the known talents under the agency, but also their new girl group, FIESTA, and will also be produced by G.Gorilla, Lee Min Soo, and Ra.D.

Loen Tree will release the second title track as well as the rest of the album on August 2nd after releasing their title track on the 26th.

Loen Tree is a new label under Loen Entertainment's artist management and is named a creative brand that will help showcase Loen artists' musical abilities. The artists under Loen Tree brand will start various activities, with this summer album as a start. 

Loen Entertainment stated "Each artist will showcase a distinct personality and appeal and produce a colorful style of music. Please look forward to Loen Tree."

On July 23rd, A video teaser for 'Summer Story's first title track will be revealed.