left to right:
Hazel, Orchid, Violet

Orchid is the elder sister of the 3, being 18. She's a friend of Uzami since the 8th grade. A bit of a tsundere , but cares deeply for her sisters and Uzami (who's like the big sister and/or mother to her)

Hazel is the youngest being 8. Energetic, playful, a bit "naughty"(;)(, and friends with Pika.

Violet is the middle sister, only 13. She's friends with David, Lily, and Kevin. Next to David, she's one of the biggest otakus.