The song "Crossing the World" was sung by Yisa and included in the music album "Crossing the World" released on June 19.

Excerpt from Across the World: Hey, I'm not surprised. Her back is very light. Well, you have to understand that people will leave when they come. The only constant in the world is that people are fickle, all pass through this world, all have deadlines, and heartbreak is inevitable. Practice more and you will know how to defend yourself when you pass by.