JYJ's Jaejoong recently revealed his hulk-like biceps, making the hearts of his fangirls and boys flutter.

On April 28th, the star tweeted, "Three flower boy brothers".

Through this recent tweet, Jaejoong was able to show two of his best charms. �The top photo portrays his masculinity, as he flexes his ultra-hard biceps in an intense battle of arm wrestling. �On the contrary, Jaejoong looks feminine and charming in the bottom one, while posing with his best JYJ buddies, Junsu and Yoochun.

Followers were overwhelmed by the photos and commented, "Aren't you working out TOO hard these days?", "Woo, it's getting hot in here, *fans self*", and "Baby face + Hulk Body, i'm digging it ;)".

Source + Photos: JYJ Jaejoong's Twitter