A possible concise summary is:
Four fans from different countries try to guess each other's bias from a K-pop group and keep it a secret. They are surprised by a video call from their bias, who is the same for all of them. They get to chat with him, receive signed albums and gifts, and watch him perform his new song. They express their appreciation and admiration for his music and personality. The video ends with a thank you message and a request to like and subscribe to hello82.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where four fans of a K-pop artist meet him and try to guess his identity.
2. The fans are from Switzerland, Denmark, Germany and Algeria, and they are all studying or living in Korea.
3. The K-pop artist is Woodz, a solo singer and songwriter who is also part of the group UNIQ.
4. Woodz surprises the fans by joining their video call and then invites them to meet him in person.
5. Woodz performs a magic trick with cards for one of the fans and signs his new album Lovely Love Part 1 for all of them.
6. Woodz also dances with the fans and gives them gifts such as flowers, a mouse plushie and a necklace.
7. The fans express their appreciation and admiration for Woodz's music and personality.
8. The video is produced by hello82, a platform that connects K-pop artists and fans around the world.