'Rooftop Prince' actors Jung Suk Won, Choi Woo Shik, and Lee Min Ho congratulated JYJ’s Yoochun's birthday.

On June 4, Jung Suk Won posted on his Twitter "Yoochun we prepared this for you, here you go,” along with two photos.

In the photos are the chocolate bars made by the three actors in celebration of Yoochun's birthday.

The first chocolate bar written by Choi Woo Shik states "Hyung, Happy", while Jung Suk Won wrote "Yoochun Happy Birthday". Lee Min Ho wrote "6002<3theMickey HB.”

To this, Park Yoochun replied "I'm so touched. Thank you so much. I love you~.”

Those who saw the photos commented "They are so cute", "All of them must be really close", and "Happy Birthday!”

Photo: Jung Suk Won Twitter