Happy Shares Company. Chae Yeon vs. Hwan Hee [Fly to the Sky] Chae Yeon and Hwan Hee enter a competition where they only get around $10 US money to use in a week for living expense, and they also have to do missions to different people, which is "Using rap to talk to other people" if they fail a mission, part of their money will be taking out at the end