this is fine for handling the physical aspects, but i just wanted to add onto this that the biggest element of writing smut imo is the emotional part, and usually when a smut scene doesn't land, it's not because of the logistics of the movement or the sensory detail, but because
Dozens of English print manga are impossible to acquire via "official" means because they went out of print and licensing was LOST during the Manga Publishing Crash at the end of the 2000s. Ex-TokyoPop staff during layoffs were quoted as saying other publishers wouldn't spend the money or time to save lost licensing because it was cheaper to just fill the hole in the market with their already acquired and new series. I am willing to bet the 52$ copy of Strawberry Marshmallow below is a beat up ex-library copy with wear and marks all over it - because it always is if its under 70$.
Archival sites will always be important unless everyone becomes very fluent in all languages real fast-like. It's good to pay the creator for their content, and there are means to do so - but that doesn't make unavailable content any more available.
Archival sites are being taken down left and right in-full for single publisher's vendettas and official online platforms, like Fakku are being met with pressure from credit Card Processors to remove anything that might dare offend their religious sensibilities.
If you don't see how this can cause accessibility issues you are either blind or snobbishly rich.
If I'm being honest, this guy right here is the perfect encapsulation of what "the Disney artstyle" is sorely missing. Derpy isn't personified in any way, barely changes expressions, and doesn't even talk, but still managed to captivate damn near everyone from the jump.