よろしく (かん)
よろしく (かん) · yoroshiku (kan) · JLPT N3 · noun
regard
🙇🤝 yoroshii = good, fine; yoroshiku = treat me well, please
It comes from the adjective yoroshii, meaning good or fine, turned into the adverb yoroshiku, meaning well. The sentence is left unfinished: please treat me well. Sound hook: yo, rosy kid, remember me.