Tonbo Ooi is 13 years old, she’s cheerful and independant, she has straight brown hair with bangs and brown eyes. She lost both of her parents in a car accident when she was young and was raised by her grandfather a fisherman on the island of Kagoshima in the Tokara Islands. Tonbo learns to play golf while using her father's inherited No. 3 iron on the island's three golf courses, which were built by the islanders themselves.