On August 18, Loen Entertainment made an official announcement on Sunny Hill's social media account.
The announcement stated,
"Hello, this is Loen Entertainment.
We're here to deliver the official statement on Sunny Hill's contract termination.
The 4 members Jubi, Seungah, Kota, and Misung of Sunny Hill are leaving Loen Entertainment following their contract termination on August 8.
We give sincere encouragement for the future of the Sunny Hill members who have been part of the Loen family.
Please give warm encouragement for the new start of the Sunny Hill members.
Back in 2007, Sunny Hill made their debut as a co-ed group of 3. Sunny Hill promoted as a co-ed group of 5 in 2011 then a 4-member girl group in 2014. The group sang OSTs for hit drama 'The Greatest Love' and more.