1. Load two models on Brio.
2. Load Cheer On (main dance) on one of them and Cheer Jump (Miyeon's part) on the other
3. Make sure you use only one lip sync at a time (e.g. Main dance on, Miyeon's part off or Main dance off and Miyeon's part on)
4. Load the camera file in the animation control panel, i use -0.1 on the bottom middle box.
5. Press play with a delay if you'd like!