She is Mana's mother, and is the server at their restaurant Pig Tail.

(Source: Pretty Cure Wiki)

Aida Mana is a girl who is always eager to do things for the sake of others. 
One day, when she was visiting the Clover Tower during her school's orientation program, an enemy who called themselves "Selfish" appeared suddenly, and tried to manipulate her inner heart! To fight this enemy, she borrowed power from a magical fairy Sharuru to transform into Pretty Cure! 
To protect the peace of the world, other legendary Pretty Cure soon joined her in battle! A mysterious baby also appears, making each day a "Heartthrob" experience! The 4 Cures, always holding "love" in their hearts, are battling for the world's fate! 
(Source: Asahi TV)

The film's story will revolve around the power that lies in the tears that the Precures hide. The video reveals that the Precures' tears have the power to end the world, and so the Precures must not cry no matter what. The Precures will fight in the world of song and magic to protect their tears. 
 
(Source: Anime News Network)

Mana is given a wedding dress which was worn by her mother and grandmother. 
All of sudden a mysterious man named Matthew appears and takes her to the past world. 
Mana is so glad to meet her grandmother and her beloved dog Maro that she had a long time ago, but she can't find two of her best friends Rikka and Alice. It looks her precious memories have been changed somehow. 
If things continue as is, the future will be ruined, too. 
The Precure girls have to fight to protect their memories and future!! 
(Source: Crunchyroll)

A spring carnival held in the country of dance and song, Harmonia, is beginning. Haruka Haruno and her friends also join the festival to learn dance and song from their senior Pretty Cure warriors. However, the fairies go missing, and the carnival is thrown into confusion. Even worse, the announcers Odoren and Utaen seem extremely suspicious, and the guardian dragon of Harmonia has started a rampage, angry at the chaos at the carnival. In order to protect the peace of Harmonia, the 40 Pretty Cure warriors work together to create a miracle through dance and song filled with hope.

Ayumi Aida