During the latest recording for�SBS's "Strong Heart," actress Yoo In Na revealed her special past relationship to MBLAQ's Lee Joon. She explained, "This is something that happened when I just debuted, when barely anyone could recognize me. A man in a cafe randomly came up to me and started talking to me, asking for a favor." She continued, "That man didn't know I was an actress, and he was none other than MBLAQ's Lee Joon." Lee Joon, who made a guest appearance in the same recording, added on to her story by revealing why he had gone up to her and what favor he had asked. � Check out the full story at 11:15 PM KST on March 8th. Source: Newsen via Nate