Teen Top's Changjo personally announced the news of his relationship on Instagram.

It is said that Teen Top's Changjo announced the news of their relationship directly on Instagram. . Unpretty Rapstar Season 2 He said that he is the singer Casper who appeared in . I cherish all the feelings of those who sent me their concerns. . He said he would repay you with good music and performances. I was surprised when he posted the news of his relationship on Instagram, but I congratulate him so much and I want to see him make a comeback as Teen Top and see his performances.