What is the law that looks transparent? [Illustration making]

There is a rule when drawing transparent things in illustrations.
Why does the brain feel it transparent? Why are people attracted to something transparent?
I refer to various articles and books and explain with my experience and my own interpretation.
The final picture is a cute customer!
Please enjoy it and watch it till the end.
This video explains how the brain remembers images.
"Is your brain buggy? !!"
• リアルに見える脳の仕組みとは？【イラストメイ...
This video explains why the brain can't get away from its beliefs.
"The moment when the picture becomes real"
• イラストが突然リアルになる！【イラストメイキング】
I have posted the real pictures I have drawn so far on the following SNS.
Please see high resolution still images on each SNS!
◆ Twitter
/ tainosuke14
◆ Behance
www.behance.ne...
◆ Pixiv
www.pixiv.net/...
Music / 369 Musiq
www.369musiq.co...
Music / Dova-Syndorome
dova-s.jp
Music / Otologic
otologic.jp/
Sound effect / Sound effect lab
soundeffect-la...
Sound effect / On-Jin
on-jin.com/
If you have any questions about work or collaboration, please click here.
[e-mail]
#Transparent
#illustration
#illustration making
#Brain science
#Brain science_picture
#Reproduction
#drew
#Real