Japan's Foreign Minister Fumio Kishida (L) shakes hands with his South Korean counterpart Yun Byung-Se (R) after a joint press briefing at the Foreign Ministry in Seoul on December 28, 2015. South Korea and Japan reached a landmark agreement on the thorny issue of wartime sex slaves that has long strained relations, Seoul's foreign minister said.  AFP PHOTO / JUNG YEON-JE / AFP / JUNG YEON-JE        (Photo credit should read JUNG YEON-JE/AFP/Getty Images)