Ruby Alice, a girl who was brought up by a certain organization with only the knowledge and power to become a knight.
However, one day, the knight system was abolished due to a major change in the situation.
The dream of becoming a knight was cut off, and he was abandoned by the organization.
Ruby Alice, who was only trained and not even taught common sense, was suddenly thrown out into the world.
What I can do ... I don't even know what to do.
But to live, you have to work.
She tries various jobs, but she doesn't understand the common sense and accepts everything that people say ...