Oedo Line

The series Miracle☆Train features the personifications of train stations on the Oedo Line, who help troubled ladies solve their problems.

Quotes

 * "On the Oedo Line, dogs must be transported in a pet carrier. If the sum of the width, length, and height is less than or equal to 250 cm, and the carrier is completely enclosed animals can ride for free. This includes small birds, insects, newborn chicks, as well as pets, such as fish." -Tocho
 * "The Oedo Line was made recently so it had to be built around other tunnels. That's why it's so steep and curvy." -Shiodome
 * "The Oedo Line is deep underground so it retains heat." -Akari

Trivia

 * The Oedo Line opened on December 12, 2000.
 * Objects with the sum of all sides less than 250 cm are allowed on Oedo Line trains.
 * Natural gas is not allowed on trains.
 * The Oedo Line does not heat its trains, even during winter.
 * The things attached to Oedo Subway entrances are called "twirly symbols."