Jewelry's Yewon and ZE:A's Kwanghee released a duet, "I Can Only See You", for SBS's popular drama, 'Protect the Boss'. The song aired during the August 18th episode of 'Protect the Boss', and it's been described to be a sweet pop song with an impressive harmony. "I Can Only See You" by Yewon and Kwanghee adds to the drama's stellar repertoire of voices for its OST, including A.Pink, Lyn, JYJ's Jaejoong, and M. Street. Check it out below! Source: Hankyung