On April 6, the popular YouTube channel, Double B, declared their dismantling. It's not a complete dismantling, but Jang Myung Jun, a member of Double B, decided to leave the group. Many fans wondered why he would leave Double B. Myung Jun explained there were too many bad comments in the last video.

Double B is a YouTube channel operated by two men: Park Min Gyu, and Jang Myung Jun. They usually upload prank videos about playing tricks on the people around them, sometimes accepting challenges from their viewers.

On April 4, they uploaded a video about Myung Jun's marriage. In the video, he said he planned to marry an ordinary woman. Many people celebrated with him, but there were also many bad comments. Some people even made harsh comments about Myung Jun's fiancee. His fiancee is said to be an ordinary person, so Myung Jun decided to leave Double B. At first, they considered fill a complaint, but Myung Jun decided this problem would be solved by his departure. After that, Park Min Gyu began to work alone with a new group name, Solo B. He worked hard to shoot new content, but without Myung Jun, the mood of the channel was not exciting anymore. Min Gyu also appeared disappointed.

On April 18, Double B uploaded a video announcing Myung Jun's return. In the video, Min Gyu visits a rural village where Myung Jun is living. At the beginning of the video, Min Gyu said that Myung Jun wanted to talk with him. At Myung Jun's house, they talked off video. After the talk, Myung Jun said that he had decided to come back to Double B. He said the many encouraging messages from his fans were a great help. Nearly at the end of the video, Myung Jun asked fans to accept him as a member of Double B once more. Many fans left comments cheering him on. After Myung Jun's return, Double B uploaded one video on April 21. Its title contained an apology to the viewers, but, in it, the members of Double B sing a song about Myung Jun's departure and return. Also, Myung Jun said he wouldn't care about bad comments in the future. Many viewers said that Min Gyu seemed happy with Myung Jun. After that, Double B began to upload videos together as if nothing had happened.

Bad comments are one of the worst drawbacks of Internet media. There are so many people who have suffered from this. Double B has been affected by it, too, but they have overcome the crisis well. Most people support them, but there are still some people who continue to leave bad comments. Many fans of Double B want Myung Jun to continue to do well on YouTube as a member of Double B after his marriage.