Big rookie Billlie will make a comeback in July as the first artist group of Producer Jong-Shin Yoon's new project.

On June 23rd, their agency Mystic Story said, "Billlie (Moon Sua, Suhyeon, Haram, Tsuki, Siyoon, and Haruna) will release a new song through a new music project by CEO Yoon Jong-shin in mid-July and start new activities. The Billlie members have finished filming their new music video and are speeding up preparations for their comeback."

Yoon Jong-shin will participate in the project to highlight Billlie's unique and popular aspects with a new perspective, he said. "This project is expected to be showcased by highlighting the popular and unique side of Billlie as Yoon Jong-shin producing." "Please give your interest in how Billlie's unique worldview is expressed in our collaboration."

Billlie will join Yoon Jong-shin's new project, which will be released in July, as the first artist group, and will make a comeback five months after their second mini-album, "The Collective Soul and Unconcious: Chapter One," released in February, titled "GingaMingaYo (The strange world).