Helen Koizumi

Оригінальне ім’я: こいずみエレン

Helen Koizumi is a young orphan girl with bright orange reddish hair and a yellow hat. She is seen washing the steps of a concert hall in Episode 31: “Crisis! Seconds before the blast!” She is under employ of the portly and greedy manager in a white suit. She is an orphan who works at the concert hall as a janitor to make money to survive. Helen also appears to be mute, and can only communicate via sign language