The video includes the production process and explanatory subtitles. The Design making tutorial video starts at 03:02.
The image wallpapers and videos on my channel are 100% commercially usable images that I have personally secondary-processed and designed.
I create videos using Adobe Photoshop, Illustrator, After Effects, and Premiere.
Blue rain channel produces secondary works that add new creativity to the original work by transforming and adapting it using sound sources and videos that have cleared the license. This falls within the scope of 'fair use' and does not violate copyright law.