2AM's Jo Kwon revealed that he had his first kiss after he debuted.

In MBC's "Radio Star" on March 7, Jo Kwon confessed that he had kissed after his debut. When the MCs started investigating him about it, asking "Where did you do it?", he just said he doesn't know, blushing, arousing curiosity from everyone.

Internet users commented, "I'm curious", "I wonder who it is," and "Jo Kwon's so cute."