While a new visa system approved by the Diet, set to take effect in April, has been welcomed by Japan's labor-short nursing care businesses, questions remain about how to provide sufficient Japanese-language education for foreign workers.

Despite steps taken by the government in recent years to relax rules on foreign workers in the sector, language skills have been a major barrier.

Vu Thi Thu Trang from Vietnam is among those who could obtain working status after the government eased the requirement for foreign nationals to work as caregivers.