She comes from an island where her family runs a dojo.
Takada implemented a standard test for all of the incoming fighters at his dojo.
Even if you have a dojo, you can't make a living if nobody is coming to train, which was largely the case after the war.
Her place of residence is home to a kendo dojo, which led to her early interest in kendo.
Oyama would choose an instructor to open a new dojo.
In this way, the instructor would soon gain a few students for his new dojo.
They are generally posted at the entrance to dojo or at the front of the dojo ("shomen") and outline behaviour expected and disallowed.
Somewhere in the story, the player and the partner also activate a dojo in which they can train in.