Kakei is represented by Platinum Production and is an exclusive model for JJ.

Before her chance to debut, Kakei was in high school in 2011, and was later scouted by her friend from a fashion show.

On 14 September 2013, Kakei was selected in the semi-Grand Prix at the One Life Model audition.

[5] In 5 October, Kakei got 68,322 points by public viewing from the viewers, and was selected as the Thursday reporter of "Coco-chō" of Mezamashi TV[6][7] Later on 19 December, her first official book Mīko Miwako Kakei 1st Official Book was published.

[8] On 4 April 2014, her photo collection Venus Tanjō by Kishin Shinoyama was released.