1) Teto is holding her hand over her mouth because she said something she was not supposed to say.

2) Throughout the video, Notice how Teto and Miku's pupils dilate because of some unknown reason. I simply can't figure it out.

3) Teto is keeping her eyes on Miku through the 7th scene. Maybe Teto was watching her for any signs of hypnocation.

4) Teto is suprised that Miku gave in so quickly. She is freaking out.

5) Miku continues dancing even though it isn't her turn, meaning she is hypnotized.

5) Through the video, the confetti becomes more.

6) Teto finnaly gives in at the end.