"Every young rugby player in New Zealand dreams of the opportunities I have had to represent the All Blacks and the Crusaders, and I know I'll look back at the end of the year with a great deal of pride to have worn those jerseys for as long as I have," Read said.
"My family and I are looking forward to an overseas experience and Japan presents an awesome opportunity to immerse ourselves in Japanese culture as part of the Toyota club.
"I feel the time is right to make this announcement on my playing future, so that I can focus my efforts on the season ahead."