Sunny Days had another lineup change,this time Jihee, Soojung & Soohyun all left the group together due to them choosing not to renew their contracts, leaving Sunkyung and Jungyoon as the two confirmed members with Sunkyung being the only original member.
Sunny Days mengalami pergantian anggota sekali lagi, kali ini Jihee, Soojung dan Soohyun meninggalkan grup karena mereka memilih untuk tidak memperbaharui kontrak mereka, meninggalkan Sunkyung dan Jungyoon di mana Sunkyung merupakan anggota asli.