I wouldn't say it's necessarily tied directly to shota especially, but rather just a shifting trend of what's considered attractive in the anime fandom.
However, in Otaku culture, the word takes on a more sexualized meaning: in certain adult Japanese materials, older women often breathily say the phrase to much younger men as a form of sexual flirtation.
The phrase is often associated with the genre, which is related to the kind of hentai, with the exception, that in its center is an underage boy, the shota, instead of the underage girl, the.
Different Meanings of Ara The term ara separately can mean many things, especially if it is written in different ideograms.
He is actually a Spanish teacher, being a Cuban-American that is currently living in Kentucky, United States.
This is because he tried to make his videos humorous.