JJ Lin not only went to see CN Blue's concert, but also got to go backstage to meet the band in person.
The singer recently tweeted a photo showing him posing with the CN Blue members backstage.
In the photo, JJ Lin holds up CN Blue's most recent album Re:Blue, and gives a big thumbs up to the camera while the other members smile.
JJ Lin is a Singaporean-born singer/songwriter who is popular across Taiwan, China and other areas of Greater China.
Netizens commented, "JJ Lin and CN Blue look great together," "JJ Lin must like CN Blue's music" and "The meeting between a big star in Taiwan and a Korean star."
CN Blue next plans to venture on to Singapore on April 13.
Photo credit: JJ Lin's Twitter
This article was edited to reflect an error in reporting JJ Lin as a Taiwanese artist.