Ichika Hashifuna (橋舟一花, Hashifuna Ichika) appears in "The Legend of Super Normal City KASHIWA." Born in Kashiwa City, Chiba Prefecture on July 31st, she stands 142cm tall, weighs 36kg, and has blood type O. Academically, she excels in mathematics, chemistry, and biology but struggles with history and classics. She belongs to the "go-home" club, reflecting no formal extracurricular commitments.

Science-focused and experiment-driven, she actively verifies phenomena firsthand, driven by a curious, investigative nature. Her genius-level intellect boasts an IQ of 190, often expressed through eccentric or unconventional behavior. Visually, she is defined by her glasses and a distinctive snaggletooth.