BTOB's Changsub exposed his sexy 6-pack abs!
According to fans, Changsub promised to make abs if his fan cafe surpassed 70,000 members, and the goal was reportedly met after BTOB's promotions for "Way Back Home". Fans then continuously asked him,"When will we be able to see your abs?"when they ran into him at fan sign events, and Changsub responded, "At the concert."
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Changsub kept his words and made fans' jaws drop at BTOB's solo concert from January 21-22. It's been revealed that Changsub dedicated some hard effort and even gave up meat for 4 months in order to create perfection.
Isn't he ABmazing?
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