- Working Holiday Course, ISI Japanese Language School, Chuyko and Nagano. Japanese course plus job offering, 3, 6, 9 or 12 months. Stay in 2 locations by booking 30 weeks (9 months) or longer (minimum stay per city is 3 months). Work will typically be in a food factory, café, garment factory, warehouse or as a language teacher. Hourly wage is about 800 – 1,000 JPY.