Last year's beaten finalists have added Black Ferns to their 2024 squad.
World Rugby's men's player of the year will embark on a Japan sabbatical in 2024.
The Blues and Chiefs will face four Rugby League One sides as part of their pre-season.
The two Kiwi teams will each play two matches against Japanese sides in February.
It's designed to create more equitable opportunities for Pasifika at all levels of the game.
After the death of a good friend, bowel cancer prevention has become a cause close to 'Razor's' heart.
"Test matches are different, they're played a little bit differently."
The international prop will link with new coach Vern Cotter, after finishing up with the national team.
The 29-year-old is ineligible for New Zealand after signing a three-year deal to play for Toshiba Brave Lupus.