Higuchi is a young woman of short stature, about 20 years old. She has shoulder-length blonde hair, which she usually wears in a small bun, and dark brown eyes. As a member of the Mafia, Higuchi is ruthless and does not shy away from eliminating his targets. When faced with an enemy, she behaves aloof, often strict and serious, without showing much sympathy for them. She does not tolerate disrespect and hates those who underestimate the Port Mafia. She likes to spend time with her best friend.