I'm Japanese, native Japanese speaker, but now I live in South America. So I can speak Spanish too, but not English very well. I can teach Japanese in Spanish or I teach Japanese just by speaking English. I use a manual to explain Japanese grammar for JLPT N5 ~ N1 in Spanish or Japanese. I can explain Japanese grammar for JLPT N5 ~ N1 in Spanish or Japanese.

I'm Japanese and originally from Japan, but now I live in South America. So I can speak Japanese and Spanish, but at the moment I don't speak English so I don't understand much. You can teach Japanese by speaking Spanish. If you speak English, you can only teach in Japanese. Beginner and intermediate courses are the same as the textbooks used in most Japanese language schools. You can also take grammar lessons for JLPT steps.