- Note: All information on this page is abridged as this Wiki focuses on the "On Parade" franchise. To see more information of Ken in relation to the first series that she appeared in, please visit Ken Mayuzumi on the Aikatsu Friends! wikia.
|Affiliation||Star Harmony Academy|
|Anime||Aikatsu Friends! Episode 02 - The Invincible Love Me Tear☆|
Ken has curly blue hair cut to be longer on the right of the head. His bangs have a streak of dark yellow through them, and a small curled strands sticking out from the side. He has rounded topaz eyes and wears a red earring.
He is very passionate whenever it comes to dance and beauty arts. He is also very care for his fellow colleagues and idols.
Ken (ケン) that is of Scottish origin means "handsome".
Mayuzumi (黛) refers to the color blue-black, which is in reference to Ken's hair color.
- He shares his speaking voice actor with Shun Yotsuba from the original Aikatsu! series and Hikaru Moroboshi from the Aikatsu Stars! series.