Lee Sungjae is busy with his drama schedule! What happened to Sungjae? Kwang Kyu took his first step to become a singer! However, the path to becoming a trot singer is long and tough. Jeon Hyun-moo is no longer late for live radio! It's Jeon Hyun-moo's unexpected day and grand reveal! Yang Yoseob is a solo guy who will greatly lower the average age of rainbow members appears! What's the secret of Yoseob's love from Jo Su-mi?