A character in Go-toubun no Hanayome and eldest of the Nakano Quintuplet sisters. Ichika is caring, thoughtful, and wise, being a responsible older sister. She enjoys sleeping and her room is incredibly messy. She aspires to become a movie actress and dedicates most of her time and resources to do so, to the point of having to quit schooling in order to focus on her acting career. Her best subject is mathematics, and her daily hobby is jogging.
She has blue eyes, large breasts, and short pink hair stylized with bangs & hair between eyes. Her school uniform consists of a open black blazer, white collared shirt, yellow sweater around waist, and green pleated skirt.
Her voice actor is Hanazawa Kana (Japanese) and Lindsay Seidel (English).