TVXQ member, Changmin has revealed that he was under a strict diet to get the flawless and perfect abs.
The duo held a press conference on December 7 for their concert, :TVXQ! SPECIAL LIVE TOUR -T1ST0RY-."
The day before the press conference, Changmin surprised the audience when he showed his perfect abs. To achieve this, he stated, "I did not drink any alcohol for two months in order to prepare for the topless performance."
He then revealed his diet to achieve those abs, which consisted of low sodium food, "My trainer told me not to eat soup, stew, hot pepper flakes, or hot pepper paste for two months. I underwent an unbelievably strict training program."
Furthermore, TVXQ just had their first solo concert domestically as they made 24,000 viewers in awe with their dance moves and performance last December 6 and 7.
Check out Changmin's perfect abs: