Crown Prince Akishino, the younger brother of Emperor Naruhito, has urged his daughter Princess Mako to update the public on her planned marriage to boyfriend Kei Komuro by February.

"This coming February marks two years" since the postponement announcement, the crown prince said at a news conference ahead of his 54th birthday Saturday. "I believe something must be announced about it."

The crown prince's eldest daughter and Komuro announced their planned engagement in September 2017 and said their wedding would take place on Nov. 4, 2018.