The training that appeared in the comic "Big Windup! (OOFURI)" Was in reference.

Please to quickly tap the numbers from 1 to 25.

To information from the eye, the neural circuit for the body to react, is training to strengthen.

The training which memorizes the seen contents in an instant.

Mistake tap will be counted in the plus one second.

When sign in is done, you can compete with people of the world.