(I don't own this picture. All Rights go to the owners.)

Name: Kelly Tatsumi
Status: Alive
Age: Same age as Kanji

Species: Human

Gender: Female
Crush: Open
Friends: Persona 4 Allies
Enemies: Bullies, Shadows
Family: Kanji (Brother), Mrs. Tatsumi (Mother)
Appearance: Long blonde hair in low pigtails, light blue color eyes and wears a light purple long sleeve shirt, mint green and gray striped tights, a light red and light blue striped skirt, light green tennis shoes, a navy-blue button-up sweater, light brown heart earrings, a mint green satchel and a light brown teddy bear pendant.

She sometimes has her long blonde hair in long twin braids and wears her school uniform when she goes to school.
Others: Her fighting weapon is a light green folding fan. Her Persona is named Emerald and looks like a human version of Leafeon from Pokemon. Her Ultimate Persona is named Freya and looks like a human version of Magearna from Pokemon.

Sounds like Haru Ichinose from Akuma no Riddle