Age: Unknown

Height: 98 cm

Race: Harvin

Hobbies: Saving money

Likes: Fun and excitement

Dislikes: Pain and sadness

Member of the Harvin species, Sierokarte is the shop owner of the Knickknack Shack which appears to have shops all around the Phantagrande Skydom. Despite her petite stature and childish voice, she is an adult, but often gets mistaken for a child. Ever cheerful, she provides missions for Gran and his team. She likes to make puns a lot and has an ability to be able to seemingly appear anywhere.