The video includes the production process and explanatory subtitles. The drawing process and explanation video start at 00:20.

The image wallpapers and videos on my channel are 100% commercially usable images that I have personally secondary-processed and designed.

I make videos using iPad 4th generation, Procreate, and art set4 apps.

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.