Sunny Hill just unveiled their second teaser, and to everyone's surprise, IU made a cameo appearance! The second teaser was revealed through Loen Entertainment's official YouTube page. In the new teaser for "Midnight Circus", fans were able to see IU walk into a mysterious warehouse, which houses a mysterious circus tent. The haunting music forces IU to walk deeper into the warehouse, where she encounters a turntable that leaves her transfixed. Loen Entertainment explained, "Despite her busy schedule, IU came in a heart beat in order to show support for her labelmates, Sunny Hill. The greatest 'dream team' of the music industry has joined forces with Sunny Hill, so fans can expect something that will exceed their expectations." Sunny Hill's album, "Midnight Circus", will be released on June 3rd, be sure to check back for updates! Source: Economy Daily Star via Nate, Sports Chosun via Nate