If you are looking for the original source of this specific MP4 file, it is best to check the following:
Here is a developed article exploring the phenomenon of this video series and the creators most likely associated with it. The Viral Sensation: Behind "Alina is Dancing for You" Alina is dancing for you - Part 4_v_1080p.mp4
Another major influencer, Alina Brss (@alinaa.brss) , is famous for her high-energy dance edits and "trending videos" compilations. Her videos often feature specific tutorials, like the left-right-kick sequence frequently used in viral challenges. Why the "Part 4" Trend Works If you are looking for the original source
Search for Alina Rose or Alina Brss directly. Alina Brss (@alinaa.brss)