The song is "Guest". The song was composed by Wang Zeyan and Byrd, composed by Wang Zeyan and sung by Byrd, and released on October 26th, 2020. Included in the album of the same name "Guest". Excerpts from the lyrics of the song "What's Today After Breaking Up"? I think of you occasionally. Your unexpected message made me stand in the same place in surprise. When everyone is happy for you, I am stupid and awake. So someone has already made your wedding dress. Thank you for the special invitation to witness your's love. I always remind myself not to shy away from approaching the venue carefully arranged by him with an invitation. Unfortunately, this is your scenery, and I am just a guest. I put down all my memories to fulfill your love, but I still don't want to believe it. It's been a long time since I last saw you. You're a little