Use Ruby text alongside kanji, maybe?
FWIW, it's HTML ruby tag, not the language.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/...
https://en.wikipedia.org/wiki/Ruby_character
FWIW, it's HTML ruby tag, not the language.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/...
https://en.wikipedia.org/wiki/Ruby_character