Nana Iida (飯田 奈々 Iida Nana?) is the leader of the Tokyo Central Railway Public Security Office Fourth Vigilance Squad.
She has waist length redish hair that hangs around her head and light brown eyes. Iida also has big breasts.
Just like all her friends, she wears her security uniform, which is made up of a top with a tie and a skirt, and a flesh-color pantyhose. She also wears black high-heels.
She has a somewhat cheerful personality. She treats her staff equally and kindly. She sometimes acts some what mischievous.
They are really great friends. They sometimes shop together.