Mew is a Major class Idol in PriPara. She makes her anime debut in Episode 11.
Similar to her sister, they seem stuck up. Both are confident in their status and demand respect from those underneath them. They also seem to want the spotlight as they weren't to happy when Usagi revealed that both of them were backup to Sophie.
Mew is a fair skinned girl with powder blue hair worn into curly pigtails held by yellow scrunchies to match her earrings. She has an M-shaped piece of hair to resemble bangs. Her eyes are indigo-purple and worn with pale lilac eye shadow.
She is voiced by Kataoka Azusa who voiced Mion in the Pretty Rhythm series.
Her way of talking and personality is also very similar to Mion's.
She has been in the PriPara business with New for 10 years.
They are both in a unit together called NMews Sisters.
She, along with New are both in the Major class.
She is in high school.
Judging by her PriTicket, she is a Cool type user.
She is the third character have twin relative who an idol after Leona&Dorothy.
Contrary to her name she says "New"
(Source: Pri Para Wiki)