Japanese Princess Mako (front row, left), born in 1991, is the eldest daughter of Prince Akishino and Princess Kiko.

Japanese Princess Mako (front row, left), born in 1991, is the eldest daughter of Prince Akishino and Princess Kiko.

Princess Mako became an online phenomenon in 2004, after she wore a sailor uniform and appeared on live television.

Princess Mako became an online phenomenon in 2004, after she wore a sailor uniform and appeared on live television.

She has many fans in Japan.

She has many fans in Japan.

On her 20th birthday in 2011, Princess Mako said she was interested in politics and might enter politics.

On her 20th birthday in 2011, Princess Mako said she was interested in politics and might enter politics.

She can communicate in sign language like her mother, who cares about the deaf community.

She can communicate in sign language like her mother, who cares about the deaf community.

The princess volunteered in northeastern Japan after the Tohoku earthquake and tsunami on March 11, 2011.

The princess volunteered in northeastern Japan after the Tohoku earthquake and tsunami on March 11, 2011.

She graduated from the Faculty of Arts and Sciences, School of Liberal Arts, International Catholic University in March 2014.

She graduated from the Faculty of Arts and Sciences, School of Liberal Arts, International Catholic University in March 2014.

Last September, Mako returned to England to study for a master’s degree at Leicester University.

Last September, Mako returned to England to study for a master’s degree at Leicester University.

Phuong Vu