I don't believe there's a manga about body contortion, there maybe, manga's with contorionists in them however.
Yes, there are manga series that involve characters with contortion abilities such as "Kakegurui" and "Kuroko's Basketball." These series may feature contortion as a special skill or ability of certain characters rather than being the central focus of the story.
The man was able to twist himself like a pretzel, he was a master of contortion. or Pretzels look like a contortion
"Contortion" is a noun. It refers to the act of twisting or bending out of shape or position, typically in a way that is unusual or unnatural.
Demonic origin
Yes
A fantastic grimace or contortion of the body.
yes
I could go on for days about different stretches you could do to begin contortion. Instead, here's a website with a lot of useful information including discussion forums, for beginners. contortionistsunite.com
Anna Meek has written: 'Acts of contortion'
Contortion/Acrobatics example/ Rod balancing, aerial silks, hoop and etc.
game where you clamber over each other and may have to contort on the ground
There are no perfect rhymes for absorption, some pseudo rhymes are: abortion, apportion, contortion, and proportion.
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