She chooses the girl that is suitable as the shrine maiden,then leaves the girl in the care of the to-be predecessor.The power of the shrine maiden is strong.The girl that becomes the shrine maiden must not be allowed to pass her "blood" on.There is a high probability that she will pass those powers on to her offspring.there would be a risk of that girl overcoming the sages' control.When the time comes, she makes the girl inherit the power of "Hakurei",the selection and observation of the one who would be in charge of that great barrier, the "Shrine Maiden of Hakurei".On top of the supervision of the shrine maiden of Hakurei, there is something to bear in mind.Surveillance of the great barrier that covers Gensoukyou, andthen observe thereafterIf an heir to the power of the shrine maiden obtains even more power,