It’s rare for idols to strip down and do photo shoots in only their underwear, but these brave stars were bold enough to do shoots for various magazines and lingerie brands. 1. Dalsooobin (Subin) 2. HyunA 3. Kim Yoonji (formerly known as NS Yoon-G) 4. Yewon (formerly of Jewelry) 5. Hyoseong (formerly of Secret) 6. Kyungri (formerly of…