Meimi Haneoka is the protagonist of the anime series 'Kaitou Saint Tail'. She is a seemingly ordinary schoolgirl by day, but by night, she transforms into the magical thief Saint Tail. With the help of her friend Seira Mimori, who provides her with information, Meimi uses her skills to return stolen goods to their rightful owners. Her main goal is to help people in need, often acting as a modern-day Robin Hood. Meimi's cleverness, agility, and charm are essential to her success as Saint Tail, and she remains undetected by the authorities.