Ako Hayasaka is a main character in the tokusatsu series Choujin Sentai Jetman. She transforms into Blue Swallow, one of the five Jetman heroes. Energetic and cheerful, Ako is a high school student who becomes a Jetman to help protect the Earth from the evil Vyram. Despite her initial reluctance and focus on rewards, she grows into a courageous and reliable team member, using her quick thinking and agility to contribute significantly to the Jetman team's battles and victories.