2PM's Wooyoung recently took time off his busy schedule to attend soloist Lyn's concert in Busan.

On December 29th, Wooyoung uploaded a photo taken with the singer after the concert and tweeted, "Lyn noona's concert today in Busan ^^ Was drenched in emotions for three hours...? Ah-oh@.@ Thank you so much, Noona ?."

Lyn also updated her Twitter with the post, "Since Wooyoung came to my Busan concert, I took a lot of pictures of me trying to act pretty! Kya."

Upon seeing the photos, fans responded, "Wooyoung was in Busan?!", "Lyn must've been very happy", "I didn't know they were close friends", and more.

On December 29th, Lyn held her solo concert titled 'Lovelyn - Romantic Party' at Kyungsung University's concert hall in Busan. This was her first concert in Busan since 2007.