Springbok centre Damian de Allende has spent several seasons playing club rugby in Japan.
Eddie Jones says Japan are ready to give their all when they face the back-to-back world champions in London on Saturday.
There are no fewer than six Springboks amongst the 17 South Africans set to do battle for the Barbarians against the All Blacks XV in London on Saturday.
Springbok duo Jesse Kriel and Grant Williams are focused on getting their end-of-year tour off on a high note against Japan on Saturday.
Zachary Porthen will become the youngest prop to debut for the Springboks in the professional era when he runs onto the field in London on Saturday.
Springbok coach Rassie Erasmus acknowledged the relevance of the Boks' shock defeat against Japan in the 2015 Rugby World Cup.