Kaguya Saotome is one of Hijiri Ageha's older sisters, the other one being Maria who both debuted in episode 28. They are famous fashion celebrities known as the Saotome Sisters. They adopted their father's surname after their parents' divorce.
Both sisters are excitable like Ageha, and are supportive towards Ageha's dream of becoming a nursery school teacher.
Kaguya has dark brown hair, and purple eyes. She wears red framed glasses, a golden earring on her right ear, an ivory sleeveless blouse with a black collar, an ivory colored scarf, a long light grey skirt with black buttons, white socks, and black and white platform shoes.
(Source: Pretty Cure Wiki)