BTOB's Eunkwang shows off his jaw-dropping transformation into ripped Hamlet!

The idol took to his Instagram recently to boast off all of the hard work he's put into his building and toning up his body lately, writing,"I'm very embarrassed but kekekekeke. Setting my heart, for bodybuilder Hamlet, midpoint check. See you again in 2 months kekeke. Everyone work out hard!!! with Toughness. #Hamlet #Chungdam #Fitnesscenter #Toughness #Bodybuilder." 

Eunkwang was previously cast as the male lead alongsideB1A4'sCNUandLee Ji Hoonin the musical 'Hamlet', which will be celebrating its 10th anniversary in Korea. The musical will be showing from May 19 through July 23. 

Fitness goals!