for japanese, minnanonihongo would be the best

Try the Colloquial series by Routledge. Btw, I can help you improve in Chinese. If you're interested, please check out my teacher profile and feel free to book a lesson :)

Alter Ego for French.

For Korean : TTMIK, Routledge college and Sogang University have good books

Japanese: Marugoto, Dekiru no Nihongo